13433929 has 2 divisors, whose sum is σ = 13433930. Its totient is φ = 13433928.

The previous prime is 13433921. The next prime is 13433939. The reversal of 13433929 is 92933431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13307904 + 126025 = 3648^2 + 355^2 .

It is an emirp because it is prime and its reverse (92933431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13433929 - 2³ = 13433921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13433894 and 13433903.

It is not a weakly prime, because it can be changed into another prime (13433921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6716964 + 6716965.

It is an arithmetic number, because the mean of its divisors is an integer number (6716965).

Almost surely, 2^13433929 is an apocalyptic number.

It is an amenable number.

13433929 is a deficient number, since it is larger than the sum of its proper divisors (1).

13433929 is an equidigital number, since it uses as much as digits as its factorization.

13433929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 34.

The square root of 13433929 is about 3665.2324619320. The cubic root of 13433929 is about 237.7210735620.

The spelling of 13433929 in words is "thirteen million, four hundred thirty-three thousand, nine hundred twenty-nine".