18494612 has 12 divisors (see below), whose sum is σ = 32914560. Its totient is φ = 9090456.

The previous prime is 18494591. The next prime is 18494627. The reversal of 18494612 is 21649481.

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 3 ways as a sum of consecutive naturals, for example, 38948 + ... + 39419.

It is an arithmetic number, because the mean of its divisors is an integer number (2742880).

Almost surely, 2^18494612 is an apocalyptic number.

It is an amenable number.

18494612 is a deficient number, since it is larger than the sum of its proper divisors (14419948).

18494612 is a wasteful number, since it uses less digits than its factorization.

18494612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78430 (or 78428 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 18494612 is about 4300.5362456326. The cubic root of 18494612 is about 264.4529452710.

The spelling of 18494612 in words is "eighteen million, four hundred ninety-four thousand, six hundred twelve".