8972613 has 20 divisors (see below), whose sum is σ = 14436268. Its totient is φ = 5520960.

The previous prime is 8972603. The next prime is 8972627. The reversal of 8972613 is 3162798.

8972613 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2712609 + 6260004 = 1647^2 + 2502^2 .

It is not a de Polignac number, because 8972613 - 2⁹ = 8972101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8972603) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3208 + ... + 5313.

Almost surely, 2^8972613 is an apocalyptic number.

It is an amenable number.

8972613 is a deficient number, since it is larger than the sum of its proper divisors (5463655).

8972613 is a wasteful number, since it uses less digits than its factorization.

8972613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8546 (or 8537 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 8972613 is about 2995.4320222632. The cubic root of 8972613 is about 207.7971780928.

The spelling of 8972613 in words is "eight million, nine hundred seventy-two thousand, six hundred thirteen".