6513216 has 28 divisors (see below), whose sum is σ = 17233392. Its totient is φ = 2171008.

The previous prime is 6513211. The next prime is 6513229. The reversal of 6513216 is 6123156.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (6513211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16770 + ... + 17153.

Almost surely, 2^6513216 is an apocalyptic number.

It is an amenable number.

6513216 is an abundant number, since it is smaller than the sum of its proper divisors (10720176).

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

6513216 is a wasteful number, since it uses less digits than its factorization.

6513216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33938 (or 33928 counting only the distinct ones).

The product of its digits is 1080, while the sum is 24.

The square root of 6513216 is about 2552.1003115082. The cubic root of 6513216 is about 186.7519564892.

The spelling of 6513216 in words is "six million, five hundred thirteen thousand, two hundred sixteen".