13977670 has 32 divisors (see below), whose sum is σ = 28911168. Its totient is φ = 4766208.

The previous prime is 13977647. The next prime is 13977671. The reversal of 13977670 is 7677931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13977671) 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, 15882 + ... + 16738.

It is an arithmetic number, because the mean of its divisors is an integer number (903474).

Almost surely, 2^13977670 is an apocalyptic number.

13977670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13977670 is an abundant number, since it is smaller than the sum of its proper divisors (14933498).

13977670 is a wasteful number, since it uses less digits than its factorization.

13977670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104.

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

The square root of 13977670 is about 3738.6722241994. The cubic root of 13977670 is about 240.8860189994.

The spelling of 13977670 in words is "thirteen million, nine hundred seventy-seven thousand, six hundred seventy".