13052865 has 64 divisors (see below), whose sum is σ = 25344000. Its totient is φ = 5729472.

The previous prime is 13052863. The next prime is 13052903. The reversal of 13052865 is 56825031.

13052865 = T₈₆ + T₈₇ + ... + T₄₂₈.

13052865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13052865 - 2¹ = 13052863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13052861) 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, 221206 + ... + 221264.

It is an arithmetic number, because the mean of its divisors is an integer number (396000).

Almost surely, 2^13052865 is an apocalyptic number.

13052865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13052865 is a deficient number, since it is larger than the sum of its proper divisors (12291135).

13052865 is an equidigital number, since it uses as much as digits as its factorization.

13052865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 13052865 is about 3612.8748940421. The cubic root of 13052865 is about 235.4517641392.

Adding to 13052865 its reverse (56825031), we get a palindrome (69877896).

The spelling of 13052865 in words is "thirteen million, fifty-two thousand, eight hundred sixty-five".