13979653 has 8 divisors (see below), whose sum is σ = 15091200. Its totient is φ = 12910128.

The previous prime is 13979639. The next prime is 13979671. The reversal of 13979653 is 35697931.

It is a happy number.

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 13979653 - 2¹⁷ = 13848581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13979453) 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, 9813 + ... + 11146.

It is an arithmetic number, because the mean of its divisors is an integer number (1886400).

Almost surely, 2^13979653 is an apocalyptic number.

It is an amenable number.

13979653 is a deficient number, since it is larger than the sum of its proper divisors (1111547).

13979653 is a wasteful number, since it uses less digits than its factorization.

13979653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21011.

The product of its digits is 153090, while the sum is 43.

The square root of 13979653 is about 3738.9374158977. The cubic root of 13979653 is about 240.8974098914.

The spelling of 13979653 in words is "thirteen million, nine hundred seventy-nine thousand, six hundred fifty-three".