13351939 has 2 divisors, whose sum is σ = 13351940. Its totient is φ = 13351938.

The previous prime is 13351909. The next prime is 13351951. The reversal of 13351939 is 93915331.

13351939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13351939 - 2⁵ = 13351907 is a prime.

It is not a weakly prime, because it can be changed into another prime (13351909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6675969 + 6675970.

It is an arithmetic number, because the mean of its divisors is an integer number (6675970).

Almost surely, 2^13351939 is an apocalyptic number.

13351939 is a deficient number, since it is larger than the sum of its proper divisors (1).

13351939 is an equidigital number, since it uses as much as digits as its factorization.

13351939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10935, while the sum is 34.

The square root of 13351939 is about 3654.0305143772. The cubic root of 13351939 is about 237.2364663205.

The spelling of 13351939 in words is "thirteen million, three hundred fifty-one thousand, nine hundred thirty-nine".