6447712 has 12 divisors (see below), whose sum is σ = 12693996. Its totient is φ = 3223840.

The previous prime is 6447691. The next prime is 6447733. The reversal of 6447712 is 2177446.

It is an interprime number because it is at equal distance from previous prime (6447691) and next prime (6447733).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100714 + ... + 100777.

It is an arithmetic number, because the mean of its divisors is an integer number (1057833).

Almost surely, 2^6447712 is an apocalyptic number.

It is an amenable number.

6447712 is a deficient number, since it is larger than the sum of its proper divisors (6246284).

6447712 is a wasteful number, since it uses less digits than its factorization.

6447712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201501 (or 201493 counting only the distinct ones).

The product of its digits is 9408, while the sum is 31.

The square root of 6447712 is about 2539.2345303260. The cubic root of 6447712 is about 186.1237854854.

The spelling of 6447712 in words is "six million, four hundred forty-seven thousand, seven hundred twelve".