18126964 has 24 divisors (see below), whose sum is σ = 33868800. Its totient is φ = 8459136.

The previous prime is 18126959. The next prime is 18126973. The reversal of 18126964 is 46962181.

It is a happy number.

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, 7587 + ... + 9685.

It is an arithmetic number, because the mean of its divisors is an integer number (1411200).

Almost surely, 2^18126964 is an apocalyptic number.

It is an amenable number.

18126964 is a deficient number, since it is larger than the sum of its proper divisors (15741836).

18126964 is a wasteful number, since it uses less digits than its factorization.

18126964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247 (or 2245 counting only the distinct ones).

The product of its digits is 20736, while the sum is 37.

The square root of 18126964 is about 4257.5772453357. The cubic root of 18126964 is about 262.6888811409.

The spelling of 18126964 in words is "eighteen million, one hundred twenty-six thousand, nine hundred sixty-four".