13313895 has 64 divisors (see below), whose sum is σ = 26265600. Its totient is φ = 5626368.

The previous prime is 13313893. The next prime is 13313899. The reversal of 13313895 is 59831331.

It is not a de Polignac number, because 13313895 - 2¹ = 13313893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13313893) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 89281 + ... + 89429.

It is an arithmetic number, because the mean of its divisors is an integer number (410400).

Almost surely, 2^13313895 is an apocalyptic number.

13313895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13313895 is a deficient number, since it is larger than the sum of its proper divisors (12951705).

13313895 is a wasteful number, since it uses less digits than its factorization.

13313895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224.

The product of its digits is 9720, while the sum is 33.

The square root of 13313895 is about 3648.8210424739. The cubic root of 13313895 is about 237.0109307925.

It can be divided in two parts, 133 and 13895, that added together give a triangular number (14028 = T₁₆₇).

The spelling of 13313895 in words is "thirteen million, three hundred thirteen thousand, eight hundred ninety-five".