19130012 has 24 divisors (see below), whose sum is σ = 37373952. Its totient is φ = 8492400.

The previous prime is 19130011. The next prime is 19130029. The reversal of 19130012 is 21003191.

It is a happy number.

It is a Smith number, since the sum of its digits (17) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19130011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3164 + ... + 6947.

It is an arithmetic number, because the mean of its divisors is an integer number (1557248).

Almost surely, 2^19130012 is an apocalyptic number.

It is an amenable number.

19130012 is a deficient number, since it is larger than the sum of its proper divisors (18243940).

19130012 is a wasteful number, since it uses less digits than its factorization.

19130012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10169 (or 10167 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 19130012 is about 4373.7869175350. The cubic root of 19130012 is about 267.4474208826.

It can be divided in two parts, 191 and 30012, that added together give a palindrome (30203).

The spelling of 19130012 in words is "nineteen million, one hundred thirty thousand, twelve".