13979396 has 6 divisors (see below), whose sum is σ = 24463950. Its totient is φ = 6989696.

The previous prime is 13979393. The next prime is 13979411. The reversal of 13979396 is 69397931.

It can be written as a sum of positive squares in only one way, i.e., 13764100 + 215296 = 3710^2 + 464^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13979396.

It is not an unprimeable number, because it can be changed into a prime (13979393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1747421 + ... + 1747428.

It is an arithmetic number, because the mean of its divisors is an integer number (4077325).

Almost surely, 2^13979396 is an apocalyptic number.

It is an amenable number.

13979396 is a deficient number, since it is larger than the sum of its proper divisors (10484554).

13979396 is a wasteful number, since it uses less digits than its factorization.

13979396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3494853 (or 3494851 counting only the distinct ones).

The product of its digits is 275562, while the sum is 47.

The square root of 13979396 is about 3738.9030476866. The cubic root of 13979396 is about 240.8959336741.

The spelling of 13979396 in words is "thirteen million, nine hundred seventy-nine thousand, three hundred ninety-six".