13311929 has 2 divisors, whose sum is σ = 13311930. Its totient is φ = 13311928.

The previous prime is 13311911. The next prime is 13311937. The reversal of 13311929 is 92911331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9517225 + 3794704 = 3085^2 + 1948^2 .

It is a cyclic number.

It is not a de Polignac number, because 13311929 - 2²⁰ = 12263353 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13317929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6655964 + 6655965.

It is an arithmetic number, because the mean of its divisors is an integer number (6655965).

Almost surely, 2^13311929 is an apocalyptic number.

It is an amenable number.

13311929 is a deficient number, since it is larger than the sum of its proper divisors (1).

13311929 is an equidigital number, since it uses as much as digits as its factorization.

13311929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1458, while the sum is 29.

The square root of 13311929 is about 3648.5516304419. The cubic root of 13311929 is about 236.9992641232. Note that the first 3 decimals are identical.

The spelling of 13311929 in words is "thirteen million, three hundred eleven thousand, nine hundred twenty-nine".