13291451 has 2 divisors, whose sum is σ = 13291452. Its totient is φ = 13291450.

The previous prime is 13291427. The next prime is 13291457. The reversal of 13291451 is 15419231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13291451 - 2²² = 9097147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13291451.

It is not a weakly prime, because it can be changed into another prime (13291457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6645725 + 6645726.

It is an arithmetic number, because the mean of its divisors is an integer number (6645726).

Almost surely, 2^13291451 is an apocalyptic number.

13291451 is a deficient number, since it is larger than the sum of its proper divisors (1).

13291451 is an equidigital number, since it uses as much as digits as its factorization.

13291451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 26.

The square root of 13291451 is about 3645.7442312922. The cubic root of 13291451 is about 236.8776748908.

The spelling of 13291451 in words is "thirteen million, two hundred ninety-one thousand, four hundred fifty-one".