13958256 has 40 divisors (see below), whose sum is σ = 38834320. Its totient is φ = 4294656.

The previous prime is 13958249. The next prime is 13958261. The reversal of 13958256 is 65285931.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10561 + ... + 11808.

It is an arithmetic number, because the mean of its divisors is an integer number (970858).

Almost surely, 2^13958256 is an apocalyptic number.

13958256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13958256 is an abundant number, since it is smaller than the sum of its proper divisors (24876064).

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

13958256 is a wasteful number, since it uses less digits than its factorization.

13958256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22393 (or 22387 counting only the distinct ones).

The product of its digits is 64800, while the sum is 39.

The square root of 13958256 is about 3736.0749457151. The cubic root of 13958256 is about 240.7744427499.

The spelling of 13958256 in words is "thirteen million, nine hundred fifty-eight thousand, two hundred fifty-six".