13907925 has 18 divisors (see below), whose sum is σ = 24911042. Its totient is φ = 7417440.

The previous prime is 13907903. The next prime is 13907951. The reversal of 13907925 is 52970931.

13907925 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 2232036 + 11675889 = 1494^2 + 3417^2 .

It is not a de Polignac number, because 13907925 - 2¹² = 13903829 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13907925.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 30682 + ... + 31131.

Almost surely, 2^13907925 is an apocalyptic number.

13907925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13907925 is a deficient number, since it is larger than the sum of its proper divisors (11003117).

13907925 is a wasteful number, since it uses less digits than its factorization.

13907925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61829 (or 61821 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 13907925 is about 3729.3330502920. Note that the first 3 decimals coincide. The cubic root of 13907925 is about 240.4846975422.

The spelling of 13907925 in words is "thirteen million, nine hundred seven thousand, nine hundred twenty-five".