13620995 has 32 divisors (see below), whose sum is σ = 18320256. Its totient is φ = 9676800.

The previous prime is 13620949. The next prime is 13621001. The reversal of 13620995 is 59902631.

It is not a de Polignac number, because 13620995 - 2⁶ = 13620931 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191810 + ... + 191880.

It is an arithmetic number, because the mean of its divisors is an integer number (572508).

Almost surely, 2^13620995 is an apocalyptic number.

13620995 is a deficient number, since it is larger than the sum of its proper divisors (4699261).

13620995 is a wasteful number, since it uses less digits than its factorization.

13620995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 13620995 is about 3690.6632195311. The cubic root of 13620995 is about 238.8194045455.

The spelling of 13620995 in words is "thirteen million, six hundred twenty thousand, nine hundred ninety-five".