13392391 has 2 divisors, whose sum is σ = 13392392. Its totient is φ = 13392390.

The previous prime is 13392383. The next prime is 13392419. The reversal of 13392391 is 19329331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13392391 - 2³ = 13392383 is a prime.

It is a super-2 number, since 2×13392391² = 358712273393762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13392191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6696195 + 6696196.

It is an arithmetic number, because the mean of its divisors is an integer number (6696196).

Almost surely, 2^13392391 is an apocalyptic number.

13392391 is a deficient number, since it is larger than the sum of its proper divisors (1).

13392391 is an equidigital number, since it uses as much as digits as its factorization.

13392391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4374, while the sum is 31.

The square root of 13392391 is about 3659.5615857641. The cubic root of 13392391 is about 237.4758076928.

The spelling of 13392391 in words is "thirteen million, three hundred ninety-two thousand, three hundred ninety-one".