6513980 has 48 divisors (see below), whose sum is σ = 15452640. Its totient is φ = 2284800.

The previous prime is 6513973. The next prime is 6514003. The reversal of 6513980 is 893156.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5870 + ... + 6890.

It is an arithmetic number, because the mean of its divisors is an integer number (321930).

Almost surely, 2^6513980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6513980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7726320).

6513980 is an abundant number, since it is smaller than the sum of its proper divisors (8938660).

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

6513980 is a wasteful number, since it uses less digits than its factorization.

6513980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070 (or 1068 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 6513980 is about 2552.2499877559. The cubic root of 6513980 is about 186.7592582029.

The spelling of 6513980 in words is "six million, five hundred thirteen thousand, nine hundred eighty".