13139395 has 4 divisors (see below), whose sum is σ = 15767280. Its totient is φ = 10511512.

The previous prime is 13139387. The next prime is 13139411. The reversal of 13139395 is 59393131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13139395 - 2³ = 13139387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13139395.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1313935 + ... + 1313944.

It is an arithmetic number, because the mean of its divisors is an integer number (3941820).

Almost surely, 2^13139395 is an apocalyptic number.

13139395 is a deficient number, since it is larger than the sum of its proper divisors (2627885).

13139395 is an equidigital number, since it uses as much as digits as its factorization.

13139395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2627884.

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

The square root of 13139395 is about 3624.8303408573. The cubic root of 13139395 is about 235.9709039587.

The spelling of 13139395 in words is "thirteen million, one hundred thirty-nine thousand, three hundred ninety-five".