13320895 has 12 divisors (see below), whose sum is σ = 18595224. Its totient is φ = 9134160.

The previous prime is 13320893. The next prime is 13320899. The reversal of 13320895 is 59802331.

It is a happy number.

It is not a de Polignac number, because 13320895 - 2¹ = 13320893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13320893) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26941 + ... + 27430.

It is an arithmetic number, because the mean of its divisors is an integer number (1549602).

Almost surely, 2^13320895 is an apocalyptic number.

13320895 is a deficient number, since it is larger than the sum of its proper divisors (5274329).

13320895 is an equidigital number, since it uses as much as digits as its factorization.

13320895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54390 (or 54383 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 13320895 is about 3649.7801303640. The cubic root of 13320895 is about 237.0524609843.

The spelling of 13320895 in words is "thirteen million, three hundred twenty thousand, eight hundred ninety-five".