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12497601 = 317372179
BaseRepresentation
bin101111101011…
…001011000001
3212111221111010
4233223023001
511144410401
61123511133
7211141104
oct57531301
925457433
1012497601
1170666a6
1242284a9
13278763c
14193473b
15116ced6
hexbeb2c1

12497601 has 24 divisors (see below), whose sum is σ = 18234720. Its totient is φ = 7587072.

The previous prime is 12497593. The next prime is 12497603. The reversal of 12497601 is 10679421.

It is a happy number.

It is not a de Polignac number, because 12497601 - 23 = 12497593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12497603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69730 + ... + 69908.

It is an arithmetic number, because the mean of its divisors is an integer number (759780).

Almost surely, 212497601 is an apocalyptic number.

It is an amenable number.

12497601 is a deficient number, since it is larger than the sum of its proper divisors (5737119).

12497601 is a wasteful number, since it uses less digits than its factorization.

12497601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 12497601 is about 3535.1946198194. The cubic root of 12497601 is about 232.0645938352.

The spelling of 12497601 in words is "twelve million, four hundred ninety-seven thousand, six hundred one".

Divisors: 1 3 17 37 51 111 179 537 629 1369 1887 3043 4107 6623 9129 19869 23273 69819 112591 245051 337773 735153 4165867 12497601