18695212 has 24 divisors (see below), whose sum is σ = 34186320. Its totient is φ = 8936640.

The previous prime is 18695207. The next prime is 18695213. The reversal of 18695212 is 21259681.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (18695213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7662 + ... + 9802.

It is an arithmetic number, because the mean of its divisors is an integer number (1424430).

Almost surely, 2^18695212 is an apocalyptic number.

It is an amenable number.

18695212 is a deficient number, since it is larger than the sum of its proper divisors (15491108).

18695212 is a wasteful number, since it uses less digits than its factorization.

18695212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241 (or 2239 counting only the distinct ones).

The product of its digits is 8640, while the sum is 34.

The square root of 18695212 is about 4323.7960173903. The cubic root of 18695212 is about 265.4056301284.

The spelling of 18695212 in words is "eighteen million, six hundred ninety-five thousand, two hundred twelve".