13925916 has 36 divisors (see below), whose sum is σ = 36418200. Its totient is φ = 4481568.

The previous prime is 13925903. The next prime is 13925927. The reversal of 13925916 is 61952931.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×13925916² = 387862272878112, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5626 + ... + 7713.

Almost surely, 2^13925916 is an apocalyptic number.

It is an amenable number.

13925916 is an abundant number, since it is smaller than the sum of its proper divisors (22492284).

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

13925916 is a wasteful number, since it uses less digits than its factorization.

13925916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13378 (or 13373 counting only the distinct ones).

The product of its digits is 14580, while the sum is 36.

The square root of 13925916 is about 3731.7443642350. The cubic root of 13925916 is about 240.5883481815.

It can be divided in two parts, 13925 and 916, that added together give a palindrome (14841).

The spelling of 13925916 in words is "thirteen million, nine hundred twenty-five thousand, nine hundred sixteen".