13252530 has 16 divisors (see below), whose sum is σ = 31806144. Its totient is φ = 3534000.

The previous prime is 13252529. The next prime is 13252559. The reversal of 13252530 is 3525231.

It is a junction number, because it is equal to n+sod(n) for n = 13252497 and 13252506.

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 7 ways as a sum of consecutive naturals, for example, 220846 + ... + 220905.

It is an arithmetic number, because the mean of its divisors is an integer number (1987884).

Almost surely, 2^13252530 is an apocalyptic number.

13252530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13252530 is an abundant number, since it is smaller than the sum of its proper divisors (18553614).

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

13252530 is a wasteful number, since it uses less digits than its factorization.

13252530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441761.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 13252530 is about 3640.4024502794. The cubic root of 13252530 is about 236.6462346530.

Adding to 13252530 its reverse (3525231), we get a palindrome (16777761).

The spelling of 13252530 in words is "thirteen million, two hundred fifty-two thousand, five hundred thirty".