12715379 has 2 divisors, whose sum is σ = 12715380. Its totient is φ = 12715378.

The previous prime is 12715331. The next prime is 12715387. The reversal of 12715379 is 97351721.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12715379 is a prime.

It is a super-2 number, since 2×12715379² = 323361726227282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12715979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6357689 + 6357690.

It is an arithmetic number, because the mean of its divisors is an integer number (6357690).

Almost surely, 2^12715379 is an apocalyptic number.

12715379 is a deficient number, since it is larger than the sum of its proper divisors (1).

12715379 is an equidigital number, since it uses as much as digits as its factorization.

12715379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13230, while the sum is 35.

The square root of 12715379 is about 3565.8630091466. The cubic root of 12715379 is about 233.4047928522.

The spelling of 12715379 in words is "twelve million, seven hundred fifteen thousand, three hundred seventy-nine".