18475012 has 6 divisors (see below), whose sum is σ = 32331278. Its totient is φ = 9237504.

The previous prime is 18474991. The next prime is 18475031. The reversal of 18475012 is 21057481.

It can be written as a sum of positive squares in only one way, i.e., 18267076 + 207936 = 4274^2 + 456^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2309373 + ... + 2309380.

Almost surely, 2^18475012 is an apocalyptic number.

It is an amenable number.

18475012 is a deficient number, since it is larger than the sum of its proper divisors (13856266).

18475012 is a wasteful number, since it uses less digits than its factorization.

18475012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4618757 (or 4618755 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 18475012 is about 4298.2568559824. The cubic root of 18475012 is about 264.3594926512.

It can be divided in two parts, 1847 and 5012, that added together give a cube (6859 = 19³).

The spelling of 18475012 in words is "eighteen million, four hundred seventy-five thousand, twelve".