13285512 has 32 divisors (see below), whose sum is σ = 36904800. Its totient is φ = 4428432.

The previous prime is 13285511. The next prime is 13285529. The reversal of 13285512 is 21558231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13285511) 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, 30538 + ... + 30969.

It is an arithmetic number, because the mean of its divisors is an integer number (1153275).

Almost surely, 2^13285512 is an apocalyptic number.

13285512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13285512 is an abundant number, since it is smaller than the sum of its proper divisors (23619288).

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

13285512 is a wasteful number, since it uses less digits than its factorization.

13285512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61522 (or 61512 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 13285512 is about 3644.9296289503. The cubic root of 13285512 is about 236.8423883973.

The spelling of 13285512 in words is "thirteen million, two hundred eighty-five thousand, five hundred twelve".