13603252 has 12 divisors (see below), whose sum is σ = 25636996. Its totient is φ = 6278400.

The previous prime is 13603241. The next prime is 13603273. The reversal of 13603252 is 25230631.

It can be written as a sum of positive squares in 2 ways, for example, as 1240996 + 12362256 = 1114^2 + 3516^2 .

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

13603252 is a modest number, since divided by 3252 gives 136 as remainder.

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 3 ways as a sum of consecutive naturals, for example, 130749 + ... + 130852.

Almost surely, 2^13603252 is an apocalyptic number.

It is an amenable number.

13603252 is a deficient number, since it is larger than the sum of its proper divisors (12033744).

13603252 is a wasteful number, since it uses less digits than its factorization.

13603252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261618 (or 261616 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 13603252 is about 3688.2586677184. The cubic root of 13603252 is about 238.7156623954.

Adding to 13603252 its reverse (25230631), we get a palindrome (38833883).

The spelling of 13603252 in words is "thirteen million, six hundred three thousand, two hundred fifty-two".