13977012 has 24 divisors (see below), whose sum is σ = 37272256. Its totient is φ = 3993408.

The previous prime is 13977011. The next prime is 13977017. The reversal of 13977012 is 21077931.

13977012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13977011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83113 + ... + 83280.

Almost surely, 2^13977012 is an apocalyptic number.

13977012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13977012 is an abundant number, since it is smaller than the sum of its proper divisors (23295244).

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

13977012 is a wasteful number, since it uses less digits than its factorization.

13977012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166407 (or 166405 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 30.

The square root of 13977012 is about 3738.5842240078. The cubic root of 13977012 is about 240.8822390301.

The spelling of 13977012 in words is "thirteen million, nine hundred seventy-seven thousand, twelve".