13402297 has 2 divisors, whose sum is σ = 13402298. Its totient is φ = 13402296.

The previous prime is 13402253. The next prime is 13402303. The reversal of 13402297 is 79220431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9634816 + 3767481 = 3104^2 + 1941^2 .

It is a cyclic number.

It is not a de Polignac number, because 13402297 - 2¹⁵ = 13369529 is a prime.

It is not a weakly prime, because it can be changed into another prime (13402237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6701148 + 6701149.

It is an arithmetic number, because the mean of its divisors is an integer number (6701149).

Almost surely, 2^13402297 is an apocalyptic number.

It is an amenable number.

13402297 is a deficient number, since it is larger than the sum of its proper divisors (1).

13402297 is an equidigital number, since it uses as much as digits as its factorization.

13402297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 13402297 is about 3660.9147763913. The cubic root of 13402297 is about 237.5343448023.

The spelling of 13402297 in words is "thirteen million, four hundred two thousand, two hundred ninety-seven".