13620395 has 4 divisors (see below), whose sum is σ = 16344480. Its totient is φ = 10896312.

The previous prime is 13620317. The next prime is 13620407. The reversal of 13620395 is 59302631.

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 13620395 - 2¹⁴ = 13604011 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1362035 + ... + 1362044.

It is an arithmetic number, because the mean of its divisors is an integer number (4086120).

Almost surely, 2^13620395 is an apocalyptic number.

13620395 is a deficient number, since it is larger than the sum of its proper divisors (2724085).

13620395 is an equidigital number, since it uses as much as digits as its factorization.

13620395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2724084.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 13620395 is about 3690.5819324329. The cubic root of 13620395 is about 238.8158978574.

The spelling of 13620395 in words is "thirteen million, six hundred twenty thousand, three hundred ninety-five".