13252620 has 24 divisors (see below), whose sum is σ = 37107504. Its totient is φ = 3534016.

The previous prime is 13252609. The next prime is 13252621. The reversal of 13252620 is 2625231.

It is not an unprimeable number, because it can be changed into a prime (13252621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110379 + ... + 110498.

It is an arithmetic number, because the mean of its divisors is an integer number (1546146).

Almost surely, 2^13252620 is an apocalyptic number.

13252620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13252620 is an abundant number, since it is smaller than the sum of its proper divisors (23854884).

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

13252620 is a wasteful number, since it uses less digits than its factorization.

13252620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220889 (or 220887 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 13252620 is about 3640.4148115290. The cubic root of 13252620 is about 236.6467703523.

Adding to 13252620 its reverse (2625231), we get a palindrome (15877851).

The spelling of 13252620 in words is "thirteen million, two hundred fifty-two thousand, six hundred twenty".