13912912 has 20 divisors (see below), whose sum is σ = 29030260. Its totient is φ = 6421248.

The previous prime is 13912909. The next prime is 13912939. The reversal of 13912912 is 21921931.

It can be written as a sum of positive squares in 2 ways, for example, as 3825936 + 10086976 = 1956^2 + 3176^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33237 + ... + 33652.

It is an arithmetic number, because the mean of its divisors is an integer number (1451513).

Almost surely, 2^13912912 is an apocalyptic number.

It is an amenable number.

13912912 is an abundant number, since it is smaller than the sum of its proper divisors (15117348).

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

13912912 is a wasteful number, since it uses less digits than its factorization.

13912912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66910 (or 66904 counting only the distinct ones).

The product of its digits is 972, while the sum is 28.

The square root of 13912912 is about 3730.0016085787. The cubic root of 13912912 is about 240.5134378437.

The spelling of 13912912 in words is "thirteen million, nine hundred twelve thousand, nine hundred twelve".