19134912 has 28 divisors (see below), whose sum is σ = 50628296. Its totient is φ = 6378240.

The previous prime is 19134889. The next prime is 19134923. The reversal of 19134912 is 21943191.

It is a super-2 number, since 2×19134912² = 732289714495488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 19134912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49639 + ... + 50022.

Almost surely, 2^19134912 is an apocalyptic number.

19134912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19134912 is an abundant number, since it is smaller than the sum of its proper divisors (31493384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19134912 is an equidigital number, since it uses as much as digits as its factorization.

19134912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99676 (or 99666 counting only the distinct ones).

The product of its digits is 1944, while the sum is 30.

The square root of 19134912 is about 4374.3470369873. The cubic root of 19134912 is about 267.4702537744.

The spelling of 19134912 in words is "nineteen million, one hundred thirty-four thousand, nine hundred twelve".