19268812 has 12 divisors (see below), whose sum is σ = 35495320. Its totient is φ = 9127296.

The previous prime is 19268801. The next prime is 19268819. The reversal of 19268812 is 21886291.

It is a hoax number, since the sum of its digits (37) 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 (19268819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126693 + ... + 126844.

Almost surely, 2^19268812 is an apocalyptic number.

It is an amenable number.

19268812 is a deficient number, since it is larger than the sum of its proper divisors (16226508).

19268812 is a wasteful number, since it uses less digits than its factorization.

19268812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253560 (or 253558 counting only the distinct ones).

The product of its digits is 13824, while the sum is 37.

The square root of 19268812 is about 4389.6254965543. The cubic root of 19268812 is about 268.0926946007.

The spelling of 19268812 in words is "nineteen million, two hundred sixty-eight thousand, eight hundred twelve".