13972658 has 16 divisors (see below), whose sum is σ = 24292224. Its totient is φ = 5903520.

The previous prime is 13972597. The next prime is 13972669. The reversal of 13972658 is 85627931.

13972658 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

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, 6035 + ... + 8022.

It is an arithmetic number, because the mean of its divisors is an integer number (1518264).

Almost surely, 2^13972658 is an apocalyptic number.

13972658 is a deficient number, since it is larger than the sum of its proper divisors (10319566).

13972658 is a wasteful number, since it uses less digits than its factorization.

13972658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14137.

The product of its digits is 90720, while the sum is 41.

The square root of 13972658 is about 3738.0018726587. The cubic root of 13972658 is about 240.8572239031.

The spelling of 13972658 in words is "thirteen million, nine hundred seventy-two thousand, six hundred fifty-eight".