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12071097 = 324132713
BaseRepresentation
bin101110000011…
…000010111001
3211201021102200
4232003002321
511042233342
61110420413
7204413463
oct56030271
924637380
1012071097
1168a5215
124061709
13266847c
141863133
1510d694c
hexb830b9

12071097 has 12 divisors (see below), whose sum is σ = 17861844. Its totient is φ = 7850880.

The previous prime is 12071093. The next prime is 12071117. The reversal of 12071097 is 79017021.

12071097 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2944656 + 9126441 = 1716^2 + 3021^2 .

It is not a de Polignac number, because 12071097 - 22 = 12071093 is a prime.

It is a super-2 number, since 2×120710972 = 291422765566818, which contains 22 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 12071097.

It is not an unprimeable number, because it can be changed into a prime (12071093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15988 + ... + 16725.

It is an arithmetic number, because the mean of its divisors is an integer number (1488487).

Almost surely, 212071097 is an apocalyptic number.

It is an amenable number.

12071097 is a deficient number, since it is larger than the sum of its proper divisors (5790747).

12071097 is a wasteful number, since it uses less digits than its factorization.

12071097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32760 (or 32757 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 27.

The square root of 12071097 is about 3474.3484281229. The cubic root of 12071097 is about 229.3941015407.

It can be divided in two parts, 1207 and 1097, that added together give a square (2304 = 482).

The spelling of 12071097 in words is "twelve million, seventy-one thousand, ninety-seven".

Divisors: 1 3 9 41 123 369 32713 98139 294417 1341233 4023699 12071097