18454712 has 16 divisors (see below), whose sum is σ = 35538360. Its totient is φ = 8977824.

The previous prime is 18454699. The next prime is 18454739. The reversal of 18454712 is 21745481.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 30878 + ... + 31469.

Almost surely, 2^18454712 is an apocalyptic number.

It is an amenable number.

18454712 is a deficient number, since it is larger than the sum of its proper divisors (17083648).

18454712 is a wasteful number, since it uses less digits than its factorization.

18454712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62390 (or 62386 counting only the distinct ones).

The product of its digits is 8960, while the sum is 32.

The square root of 18454712 is about 4295.8947845589. The cubic root of 18454712 is about 264.2626327333.

The spelling of 18454712 in words is "eighteen million, four hundred fifty-four thousand, seven hundred twelve".