13073256 has 48 divisors (see below), whose sum is σ = 40466400. Its totient is φ = 3735072.

The previous prime is 13073243. The next prime is 13073257. The reversal of 13073256 is 65237031.

It is a happy number.

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (13073257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12466 + ... + 13473.

It is an arithmetic number, because the mean of its divisors is an integer number (843050).

Almost surely, 2^13073256 is an apocalyptic number.

It is an amenable number.

13073256 is an abundant number, since it is smaller than the sum of its proper divisors (27393144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13073256 is a wasteful number, since it uses less digits than its factorization.

13073256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25958 (or 25951 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 13073256 is about 3615.6957836632. The cubic root of 13073256 is about 235.5743068152.

The spelling of 13073256 in words is "thirteen million, seventy-three thousand, two hundred fifty-six".