13290779 has 2 divisors, whose sum is σ = 13290780. Its totient is φ = 13290778.

The previous prime is 13290751. The next prime is 13290793. The reversal of 13290779 is 97709231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13290779 - 2⁸ = 13290523 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (13290799) 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, 6645389 + 6645390.

It is an arithmetic number, because the mean of its divisors is an integer number (6645390).

Almost surely, 2^13290779 is an apocalyptic number.

13290779 is a deficient number, since it is larger than the sum of its proper divisors (1).

13290779 is an equidigital number, since it uses as much as digits as its factorization.

13290779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23814, while the sum is 38.

The square root of 13290779 is about 3645.6520678748. The cubic root of 13290779 is about 236.8736827388.

It can be divided in two parts, 132907 and 79, that multiplied together give a triangular number (10499653 = T₄₅₈₂).

The spelling of 13290779 in words is "thirteen million, two hundred ninety thousand, seven hundred seventy-nine".