18562972 has 12 divisors (see below), whose sum is σ = 32525136. Its totient is φ = 9270080.

The previous prime is 18562967. The next prime is 18563003. The reversal of 18562972 is 27926581.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1572 + ... + 6292.

It is an arithmetic number, because the mean of its divisors is an integer number (2710428).

Almost surely, 2^18562972 is an apocalyptic number.

It is an amenable number.

18562972 is a deficient number, since it is larger than the sum of its proper divisors (13962164).

18562972 is a wasteful number, since it uses less digits than its factorization.

18562972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5708 (or 5706 counting only the distinct ones).

The product of its digits is 60480, while the sum is 40.

The square root of 18562972 is about 4308.4767609911. The cubic root of 18562972 is about 264.7783693384.

The spelling of 18562972 in words is "eighteen million, five hundred sixty-two thousand, nine hundred seventy-two".