13402913 has 2 divisors, whose sum is σ = 13402914. Its totient is φ = 13402912.

The previous prime is 13402897. The next prime is 13402937. The reversal of 13402913 is 31920431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10804369 + 2598544 = 3287^2 + 1612^2 .

It is a cyclic number.

It is not a de Polignac number, because 13402913 - 2⁴ = 13402897 is a prime.

It is a Chen prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (13402993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6701456 + 6701457.

It is an arithmetic number, because the mean of its divisors is an integer number (6701457).

Almost surely, 2^13402913 is an apocalyptic number.

It is an amenable number.

13402913 is a deficient number, since it is larger than the sum of its proper divisors (1).

13402913 is an equidigital number, since it uses as much as digits as its factorization.

13402913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 13402913 is about 3660.9989074022. The cubic root of 13402913 is about 237.5379839525.

The spelling of 13402913 in words is "thirteen million, four hundred two thousand, nine hundred thirteen".