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13395379 = 31253263
BaseRepresentation
bin110011000110…
…010110110011
3221012120000011
4303012112303
511412123004
61155035351
7221600404
oct63062663
927176004
1013395379
11761a168
12459bb57
132a1017a
141ac99ab
151299004
hexcc65b3

13395379 has 12 divisors (see below), whose sum is σ = 14156208. Its totient is φ = 12670320.

The previous prime is 13395373. The next prime is 13395383. The reversal of 13395379 is 97359331.

It is not a de Polignac number, because 13395379 - 215 = 13362611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13395373) 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 11 ways as a sum of consecutive naturals, for example, 50802 + ... + 51064.

It is an arithmetic number, because the mean of its divisors is an integer number (1179684).

Almost surely, 213395379 is an apocalyptic number.

13395379 is a deficient number, since it is larger than the sum of its proper divisors (760829).

13395379 is an equidigital number, since it uses as much as digits as its factorization.

13395379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378 (or 347 counting only the distinct ones).

The product of its digits is 76545, while the sum is 40.

The square root of 13395379 is about 3659.9698086186. The cubic root of 13395379 is about 237.4934675950.

It can be divided in two parts, 13395 and 379, that multiplied together give a palindrome (5076705).

The spelling of 13395379 in words is "thirteen million, three hundred ninety-five thousand, three hundred seventy-nine".

Divisors: 1 31 53 263 961 1643 8153 13939 50933 252743 432109 13395379