13256790 has 32 divisors (see below), whose sum is σ = 32023296. Its totient is φ = 3512160.

The previous prime is 13256777. The next prime is 13256797. The reversal of 13256790 is 9765231.

It is a super-2 number, since 2×13256790² = 351484962208200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13256797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3535 + ... + 6245.

It is an arithmetic number, because the mean of its divisors is an integer number (1000728).

Almost surely, 2^13256790 is an apocalyptic number.

13256790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13256790 is an abundant number, since it is smaller than the sum of its proper divisors (18766506).

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

13256790 is a wasteful number, since it uses less digits than its factorization.

13256790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2884.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 13256790 is about 3640.9875034117. The cubic root of 13256790 is about 236.6715884273.

The spelling of 13256790 in words is "thirteen million, two hundred fifty-six thousand, seven hundred ninety".