13977590 has 32 divisors (see below), whose sum is σ = 28339200. Its totient is φ = 4917600.

The previous prime is 13977589. The next prime is 13977599. The reversal of 13977590 is 9577931.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13977599) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1361 + ... + 5459.

It is an arithmetic number, because the mean of its divisors is an integer number (885600).

Almost surely, 2^13977590 is an apocalyptic number.

13977590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13977590 is an abundant number, since it is smaller than the sum of its proper divisors (14361610).

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

13977590 is a wasteful number, since it uses less digits than its factorization.

13977590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4148.

The product of its (nonzero) digits is 59535, while the sum is 41.

The square root of 13977590 is about 3738.6615251986. The cubic root of 13977590 is about 240.8855594350.

The spelling of 13977590 in words is "thirteen million, nine hundred seventy-seven thousand, five hundred ninety".