13965738 has 32 divisors (see below), whose sum is σ = 30865536. Its totient is φ = 4190208.

The previous prime is 13965727. The next prime is 13965751. The reversal of 13965738 is 83756931.

13965738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 13965738.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 631 + ... + 5322.

It is an arithmetic number, because the mean of its divisors is an integer number (964548).

Almost surely, 2^13965738 is an apocalyptic number.

13965738 is an abundant number, since it is smaller than the sum of its proper divisors (16899798).

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

13965738 is a wasteful number, since it uses less digits than its factorization.

13965738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5998.

The product of its digits is 136080, while the sum is 42.

The square root of 13965738 is about 3737.0761298106. The cubic root of 13965738 is about 240.8174555876.

The spelling of 13965738 in words is "thirteen million, nine hundred sixty-five thousand, seven hundred thirty-eight".