13257132 has 24 divisors (see below), whose sum is σ = 35352576. Its totient is φ = 3787728.

The previous prime is 13257121. The next prime is 13257143. The reversal of 13257132 is 23175231.

It is an interprime number because it is at equal distance from previous prime (13257121) and next prime (13257143).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78828 + ... + 78995.

It is an arithmetic number, because the mean of its divisors is an integer number (1473024).

Almost surely, 2^13257132 is an apocalyptic number.

13257132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13257132 is an abundant number, since it is smaller than the sum of its proper divisors (22095444).

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

13257132 is a wasteful number, since it uses less digits than its factorization.

13257132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157837 (or 157835 counting only the distinct ones).

The product of its digits is 1260, while the sum is 24.

The square root of 13257132 is about 3641.0344683894. The cubic root of 13257132 is about 236.6736236356.

The spelling of 13257132 in words is "thirteen million, two hundred fifty-seven thousand, one hundred thirty-two".