19274812 has 12 divisors (see below), whose sum is σ = 33800760. Its totient is φ = 9617456.

The previous prime is 19274791. The next prime is 19274813. The reversal of 19274812 is 21847291.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19274813) by changing a digit.

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, 2698 + ... + 6769.

It is an arithmetic number, because the mean of its divisors is an integer number (2816730).

Almost surely, 2^19274812 is an apocalyptic number.

It is an amenable number.

19274812 is a deficient number, since it is larger than the sum of its proper divisors (14525948).

19274812 is a wasteful number, since it uses less digits than its factorization.

19274812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9980 (or 9978 counting only the distinct ones).

The product of its digits is 8064, while the sum is 34.

The square root of 19274812 is about 4390.3088729610. The cubic root of 19274812 is about 268.1205183060.

The spelling of 19274812 in words is "nineteen million, two hundred seventy-four thousand, eight hundred twelve".