13087212 has 24 divisors (see below), whose sum is σ = 32333616. Its totient is φ = 4105728.

The previous prime is 13087189. The next prime is 13087213. The reversal of 13087212 is 21278031.

It is not an unprimeable number, because it can be changed into a prime (13087213) 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, 31873 + ... + 32280.

It is an arithmetic number, because the mean of its divisors is an integer number (1347234).

Almost surely, 2^13087212 is an apocalyptic number.

13087212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13087212 is an abundant number, since it is smaller than the sum of its proper divisors (19246404).

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

13087212 is a wasteful number, since it uses less digits than its factorization.

13087212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64177 (or 64175 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 13087212 is about 3617.6251878822. The cubic root of 13087212 is about 235.6581039919.

The spelling of 13087212 in words is "thirteen million, eighty-seven thousand, two hundred twelve".