13029979 has 2 divisors, whose sum is σ = 13029980. Its totient is φ = 13029978.

The previous prime is 13029977. The next prime is 13030037. The reversal of 13029979 is 97992031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13029979 - 2¹ = 13029977 is a prime.

Together with 13029977, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13029971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6514989 + 6514990.

It is an arithmetic number, because the mean of its divisors is an integer number (6514990).

Almost surely, 2^13029979 is an apocalyptic number.

13029979 is a deficient number, since it is larger than the sum of its proper divisors (1).

13029979 is an equidigital number, since it uses as much as digits as its factorization.

13029979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30618, while the sum is 40.

The square root of 13029979 is about 3609.7062207332. The cubic root of 13029979 is about 235.3140753010.

The spelling of 13029979 in words is "thirteen million, twenty-nine thousand, nine hundred seventy-nine".