6512990 has 16 divisors (see below), whose sum is σ = 12789360. Its totient is φ = 2368320.

The previous prime is 6512977. The next prime is 6513019. The reversal of 6512990 is 992156.

It is a congruent 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, 29495 + ... + 29714.

It is an arithmetic number, because the mean of its divisors is an integer number (799335).

Almost surely, 2^6512990 is an apocalyptic number.

6512990 is a deficient number, since it is larger than the sum of its proper divisors (6276370).

6512990 is a wasteful number, since it uses less digits than its factorization.

6512990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59227.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 6512990 is about 2552.0560338676. The cubic root of 6512990 is about 186.7497964487.

It can be divided in two parts, 65 and 12990, that multiplied together give a triangular number (844350 = T₁₂₉₉).

The spelling of 6512990 in words is "six million, five hundred twelve thousand, nine hundred ninety".