13152645 has 64 divisors (see below), whose sum is σ = 27060480. Its totient is φ = 5990400.

The previous prime is 13152641. The next prime is 13152653. The reversal of 13152645 is 54625131.

13152645 is a `hidden beast` number, since 1 + 3 + 15 + 2 + 645 = 666.

It is not a de Polignac number, because 13152645 - 2² = 13152641 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13152641) 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, 24985 + ... + 25505.

It is an arithmetic number, because the mean of its divisors is an integer number (422820).

Almost surely, 2^13152645 is an apocalyptic number.

13152645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13152645 is an abundant number, since it is smaller than the sum of its proper divisors (13907835).

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

13152645 is a wasteful number, since it uses less digits than its factorization.

13152645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563 (or 557 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 13152645 is about 3626.6575520719. The cubic root of 13152645 is about 236.0501963991.

Adding to 13152645 its reverse (54625131), we get a palindrome (67777776).

The spelling of 13152645 in words is "thirteen million, one hundred fifty-two thousand, six hundred forty-five".