13977516 has 24 divisors (see below), whose sum is σ = 37273600. Its totient is φ = 3993552.

The previous prime is 13977503. The next prime is 13977533. The reversal of 13977516 is 61577931.

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 7 ways as a sum of consecutive naturals, for example, 83116 + ... + 83283.

Almost surely, 2^13977516 is an apocalyptic number.

It is an amenable number.

13977516 is an abundant number, since it is smaller than the sum of its proper divisors (23296084).

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

13977516 is a wasteful number, since it uses less digits than its factorization.

13977516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166413 (or 166411 counting only the distinct ones).

The product of its digits is 39690, while the sum is 39.

The square root of 13977516 is about 3738.6516285955. The cubic root of 13977516 is about 240.8851343363.

The spelling of 13977516 in words is "thirteen million, nine hundred seventy-seven thousand, five hundred sixteen".