19013814 has 12 divisors (see below), whose sum is σ = 41196636. Its totient is φ = 6337932.

The previous prime is 19013807. The next prime is 19013833. The reversal of 19013814 is 41831091.

19013814 is nontrivially palindromic in base 12.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 528144 + ... + 528179.

It is an arithmetic number, because the mean of its divisors is an integer number (3433053).

Almost surely, 2^19013814 is an apocalyptic number.

19013814 is an abundant number, since it is smaller than the sum of its proper divisors (22182822).

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

19013814 is a wasteful number, since it uses less digits than its factorization.

19013814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056331 (or 1056328 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 19013814 is about 4360.4832301019. The cubic root of 19013814 is about 266.9048181540.

The spelling of 19013814 in words is "nineteen million, thirteen thousand, eight hundred fourteen".