19317012 has 48 divisors (see below), whose sum is σ = 52957632. Its totient is φ = 5402880.

The previous prime is 19316993. The next prime is 19317017. The reversal of 19317012 is 21071391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19317017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3913 + ... + 7344.

It is an arithmetic number, because the mean of its divisors is an integer number (1103284).

Almost surely, 2^19317012 is an apocalyptic number.

19317012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19317012 is an abundant number, since it is smaller than the sum of its proper divisors (33640620).

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

19317012 is a wasteful number, since it uses less digits than its factorization.

19317012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11288 (or 11286 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 24.

The square root of 19317012 is about 4395.1122852551. The cubic root of 19317012 is about 268.3160487647.

It can be divided in two parts, 193 and 17012, that added together give a triangular number (17205 = T₁₈₅).

The spelling of 19317012 in words is "nineteen million, three hundred seventeen thousand, twelve".