13389833 has 2 divisors, whose sum is σ = 13389834. Its totient is φ = 13389832.

The previous prime is 13389823. The next prime is 13389847. The reversal of 13389833 is 33898331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8602489 + 4787344 = 2933^2 + 2188^2 .

It is a cyclic number.

It is not a de Polignac number, because 13389833 - 2⁸ = 13389577 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13389823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6694916 + 6694917.

It is an arithmetic number, because the mean of its divisors is an integer number (6694917).

Almost surely, 2^13389833 is an apocalyptic number.

It is an amenable number.

13389833 is a deficient number, since it is larger than the sum of its proper divisors (1).

13389833 is an equidigital number, since it uses as much as digits as its factorization.

13389833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 38.

The square root of 13389833 is about 3659.2120736574. The cubic root of 13389833 is about 237.4606871218.

The spelling of 13389833 in words is "thirteen million, three hundred eighty-nine thousand, eight hundred thirty-three".