13961907 has 24 divisors (see below), whose sum is σ = 20779200. Its totient is φ = 9030528.

The previous prime is 13961891. The next prime is 13961917. The reversal of 13961907 is 70916931.

13961907 is a `hidden beast` number, since 1 + 39 + 619 + 0 + 7 = 666.

13961907 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 not a de Polignac number, because 13961907 - 2⁴ = 13961891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13961917) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51769 + ... + 52037.

It is an arithmetic number, because the mean of its divisors is an integer number (865800).

Almost surely, 2^13961907 is an apocalyptic number.

13961907 is a deficient number, since it is larger than the sum of its proper divisors (6817293).

13961907 is a wasteful number, since it uses less digits than its factorization.

13961907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427 (or 424 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 36.

The square root of 13961907 is about 3736.5635281633. The cubic root of 13961907 is about 240.7954336927.

The spelling of 13961907 in words is "thirteen million, nine hundred sixty-one thousand, nine hundred seven".