7312986 has 24 divisors (see below), whose sum is σ = 16679520. Its totient is φ = 2309256.

The previous prime is 7312979. The next prime is 7312997. The reversal of 7312986 is 6892137.

It is a self number, because there is not a number n which added to its sum of digits gives 7312986.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10350 + ... + 11033.

It is an arithmetic number, because the mean of its divisors is an integer number (694980).

Almost surely, 2^7312986 is an apocalyptic number.

7312986 is an abundant number, since it is smaller than the sum of its proper divisors (9366534).

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

7312986 is a wasteful number, since it uses less digits than its factorization.

7312986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21410 (or 21407 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 7312986 is about 2704.2533165367. The cubic root of 7312986 is about 194.1027018473.

The spelling of 7312986 in words is "seven million, three hundred twelve thousand, nine hundred eighty-six".