13285456 has 10 divisors (see below), whose sum is σ = 25740602. Its totient is φ = 6642720.

The previous prime is 13285429. The next prime is 13285469. The reversal of 13285456 is 65458231.

It can be written as a sum of positive squares in only one way, i.e., 12110400 + 1175056 = 3480^2 + 1084^2 .

It is a super-2 number, since 2×13285456² = 353006682255872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415155 + ... + 415186.

Almost surely, 2^13285456 is an apocalyptic number.

13285456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13285456 is a deficient number, since it is larger than the sum of its proper divisors (12455146).

13285456 is an equidigital number, since it uses as much as digits as its factorization.

13285456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830349 (or 830343 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 13285456 is about 3644.9219470381. The cubic root of 13285456 is about 236.8420556240.

The spelling of 13285456 in words is "thirteen million, two hundred eighty-five thousand, four hundred fifty-six".