13265868 has 96 divisors (see below), whose sum is σ = 39513600. Its totient is φ = 3433920.

The previous prime is 13265851. The next prime is 13265893. The reversal of 13265868 is 86856231.

It is a happy number.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 45130 + ... + 45422.

It is an arithmetic number, because the mean of its divisors is an integer number (411600).

Almost surely, 2^13265868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13265868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19756800).

13265868 is an abundant number, since it is smaller than the sum of its proper divisors (26247732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13265868 is a wasteful number, since it uses less digits than its factorization.

13265868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332 (or 316 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 13265868 is about 3642.2339298842. The cubic root of 13265868 is about 236.7255988488.

The spelling of 13265868 in words is "thirteen million, two hundred sixty-five thousand, eight hundred sixty-eight".