13977607 has 8 divisors (see below), whose sum is σ = 16213376. Its totient is φ = 11801592.

The previous prime is 13977599. The next prime is 13977611. The reversal of 13977607 is 70677931.

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

It is a cyclic number.

It is not a de Polignac number, because 13977607 - 2³ = 13977599 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13977607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13977647) 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, 14433 + ... + 15370.

It is an arithmetic number, because the mean of its divisors is an integer number (2026672).

Almost surely, 2^13977607 is an apocalyptic number.

13977607 is a deficient number, since it is larger than the sum of its proper divisors (2235769).

13977607 is an equidigital number, since it uses as much as digits as its factorization.

13977607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29877.

The product of its (nonzero) digits is 55566, while the sum is 40.

The square root of 13977607 is about 3738.6637987388. The cubic root of 13977607 is about 240.8856570925.

The spelling of 13977607 in words is "thirteen million, nine hundred seventy-seven thousand, six hundred seven".