13977552 has 20 divisors (see below), whose sum is σ = 36108800. Its totient is φ = 4659168.

The previous prime is 13977533. The next prime is 13977563. The reversal of 13977552 is 25577931.

13977552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 13977552.

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, 145552 + ... + 145647.

It is an arithmetic number, because the mean of its divisors is an integer number (1805440).

Almost surely, 2^13977552 is an apocalyptic number.

13977552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13977552 is an abundant number, since it is smaller than the sum of its proper divisors (22131248).

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

13977552 is a wasteful number, since it uses less digits than its factorization.

13977552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291210 (or 291204 counting only the distinct ones).

The product of its digits is 66150, while the sum is 39.

The square root of 13977552 is about 3738.6564431624. The cubic root of 13977552 is about 240.8853411413.

The spelling of 13977552 in words is "thirteen million, nine hundred seventy-seven thousand, five hundred fifty-two".