13897626 has 16 divisors (see below), whose sum is σ = 29258400. Its totient is φ = 4388688.

The previous prime is 13897613. The next prime is 13897661. The reversal of 13897626 is 62679831.

It is a happy number.

13897626 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60841 + ... + 61068.

It is an arithmetic number, because the mean of its divisors is an integer number (1828650).

Almost surely, 2^13897626 is an apocalyptic number.

13897626 is an abundant number, since it is smaller than the sum of its proper divisors (15360774).

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

13897626 is a wasteful number, since it uses less digits than its factorization.

13897626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121933.

The product of its digits is 108864, while the sum is 42.

The square root of 13897626 is about 3727.9519846693. The cubic root of 13897626 is about 240.4253221979.

The spelling of 13897626 in words is "thirteen million, eight hundred ninety-seven thousand, six hundred twenty-six".