13977365 has 8 divisors (see below), whose sum is σ = 17163168. Its totient is φ = 10921680.

The previous prime is 13977329. The next prime is 13977371. The reversal of 13977365 is 56377931.

13977365 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13977365 - 2⁸ = 13977109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32291 + ... + 32720.

It is an arithmetic number, because the mean of its divisors is an integer number (2145396).

Almost surely, 2^13977365 is an apocalyptic number.

It is an amenable number.

13977365 is a deficient number, since it is larger than the sum of its proper divisors (3185803).

13977365 is an equidigital number, since it uses as much as digits as its factorization.

13977365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65059.

The product of its digits is 119070, while the sum is 41.

The square root of 13977365 is about 3738.6314340946. The cubic root of 13977365 is about 240.8842669007.

The spelling of 13977365 in words is "thirteen million, nine hundred seventy-seven thousand, three hundred sixty-five".