13253532 has 24 divisors (see below), whose sum is σ = 31164672. Its totient is φ = 4383600.

The previous prime is 13253521. The next prime is 13253533. The reversal of 13253532 is 23535231.

It is a happy number.

It is a super-2 number, since 2×13253532² = 351312220950048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13253533) by changing a digit.

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, 2644 + ... + 5787.

It is an arithmetic number, because the mean of its divisors is an integer number (1298528).

Almost surely, 2^13253532 is an apocalyptic number.

13253532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13253532 is an abundant number, since it is smaller than the sum of its proper divisors (17911140).

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

13253532 is a wasteful number, since it uses less digits than its factorization.

13253532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8569 (or 8567 counting only the distinct ones).

The product of its digits is 2700, while the sum is 24.

The square root of 13253532 is about 3640.5400698248. The cubic root of 13253532 is about 236.6521986350.

Adding to 13253532 its reverse (23535231), we get a palindrome (36788763).

The spelling of 13253532 in words is "thirteen million, two hundred fifty-three thousand, five hundred thirty-two".