13279297 has 2 divisors, whose sum is σ = 13279298. Its totient is φ = 13279296.

The previous prime is 13279267. The next prime is 13279351. The reversal of 13279297 is 79297231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11316496 + 1962801 = 3364^2 + 1401^2 .

It is a cyclic number.

It is not a de Polignac number, because 13279297 - 2⁷ = 13279169 is a prime.

It is not a weakly prime, because it can be changed into another prime (13279207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6639648 + 6639649.

It is an arithmetic number, because the mean of its divisors is an integer number (6639649).

Almost surely, 2^13279297 is an apocalyptic number.

It is an amenable number.

13279297 is a deficient number, since it is larger than the sum of its proper divisors (1).

13279297 is an equidigital number, since it uses as much as digits as its factorization.

13279297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47628, while the sum is 40.

The square root of 13279297 is about 3644.0769750377. The cubic root of 13279297 is about 236.8054507910.

The spelling of 13279297 in words is "thirteen million, two hundred seventy-nine thousand, two hundred ninety-seven".