13081379 has 2 divisors, whose sum is σ = 13081380. Its totient is φ = 13081378.

The previous prime is 13081351. The next prime is 13081423. The reversal of 13081379 is 97318031.

It is a weak prime.

It is an emirp because it is prime and its reverse (97318031) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13081379 is a prime.

It is a super-2 number, since 2×13081379² = 342244953083282, which contains 22 as substring.

It is equal to p₈₅₄₁₇₇ and since 13081379 and 854177 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (13081339) 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, 6540689 + 6540690.

It is an arithmetic number, because the mean of its divisors is an integer number (6540690).

Almost surely, 2^13081379 is an apocalyptic number.

13081379 is a deficient number, since it is larger than the sum of its proper divisors (1).

13081379 is an equidigital number, since it uses as much as digits as its factorization.

13081379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 13081379 is about 3616.8189061660. The cubic root of 13081379 is about 235.6230876724.

The spelling of 13081379 in words is "thirteen million, eighty-one thousand, three hundred seventy-nine".