13979570 has 32 divisors (see below), whose sum is σ = 27651456. Its totient is φ = 5046400.

The previous prime is 13979549. The next prime is 13979579. The reversal of 13979570 is 7597931.

It is not an unprimeable number, because it can be changed into a prime (13979579) 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, 17990 + ... + 18750.

It is an arithmetic number, because the mean of its divisors is an integer number (864108).

Almost surely, 2^13979570 is an apocalyptic number.

13979570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13979570 is a deficient number, since it is larger than the sum of its proper divisors (13671886).

13979570 is a wasteful number, since it uses less digits than its factorization.

13979570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946.

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

The square root of 13979570 is about 3738.9263164711. The cubic root of 13979570 is about 240.8969331384.

The spelling of 13979570 in words is "thirteen million, nine hundred seventy-nine thousand, five hundred seventy".