13287018 has 16 divisors (see below), whose sum is σ = 26625600. Its totient is φ = 4420416.

The previous prime is 13287007. The next prime is 13287049. The reversal of 13287018 is 81078231.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1746 + ... + 5442.

It is an arithmetic number, because the mean of its divisors is an integer number (1664100).

Almost surely, 2^13287018 is an apocalyptic number.

13287018 is an abundant number, since it is smaller than the sum of its proper divisors (13338582).

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

13287018 is a wasteful number, since it uses less digits than its factorization.

13287018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4301.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 13287018 is about 3645.1362114467. The cubic root of 13287018 is about 236.8513372724.

The spelling of 13287018 in words is "thirteen million, two hundred eighty-seven thousand, eighteen".