7215996 has 12 divisors (see below), whose sum is σ = 16837352. Its totient is φ = 2405328.

The previous prime is 7215979. The next prime is 7216009. The reversal of 7215996 is 6995127.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300655 + ... + 300678.

Almost surely, 2^7215996 is an apocalyptic number.

It is an amenable number.

7215996 is an abundant number, since it is smaller than the sum of its proper divisors (9621356).

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

7215996 is a wasteful number, since it uses less digits than its factorization.

7215996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601340 (or 601338 counting only the distinct ones).

The product of its digits is 34020, while the sum is 39.

The square root of 7215996 is about 2686.2605979316. The cubic root of 7215996 is about 193.2407708579.

The spelling of 7215996 in words is "seven million, two hundred fifteen thousand, nine hundred ninety-six".