8712004 has 18 divisors (see below), whose sum is σ = 17735550. Its totient is φ = 3733632.

The previous prime is 8711987. The next prime is 8712017. The reversal of 8712004 is 4002178.

It can be written as a sum of positive squares in only one way, i.e., 8398404 + 313600 = 2898^2 + 560^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22029 + ... + 22420.

Almost surely, 2^8712004 is an apocalyptic number.

It is an amenable number.

8712004 is an abundant number, since it is smaller than the sum of its proper divisors (9023546).

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

8712004 is a wasteful number, since it uses less digits than its factorization.

8712004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44467 (or 44458 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 8712004 is about 2951.6104078960. The cubic root of 8712004 is about 205.7655610535.

The spelling of 8712004 in words is "eight million, seven hundred twelve thousand, four".