13522979 has 2 divisors, whose sum is σ = 13522980. Its totient is φ = 13522978.

The previous prime is 13522967. The next prime is 13522987. The reversal of 13522979 is 97922531.

13522979 is nontrivially palindromic in base 14.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13522979 - 2⁴ = 13522963 is a prime.

It is a super-2 number, since 2×13522979² = 365741922068882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13522909) 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, 6761489 + 6761490.

It is an arithmetic number, because the mean of its divisors is an integer number (6761490).

Almost surely, 2^13522979 is an apocalyptic number.

13522979 is a deficient number, since it is larger than the sum of its proper divisors (1).

13522979 is an equidigital number, since it uses as much as digits as its factorization.

13522979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34020, while the sum is 38.

The square root of 13522979 is about 3677.3603304544. The cubic root of 13522979 is about 238.2451808025.

The spelling of 13522979 in words is "thirteen million, five hundred twenty-two thousand, nine hundred seventy-nine".