12319388 has 12 divisors (see below), whose sum is σ = 21781872. Its totient is φ = 6096000.

The previous prime is 12319361. The next prime is 12319397. The reversal of 12319388 is 88391321.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

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, 15488 + ... + 16263.

It is an arithmetic number, because the mean of its divisors is an integer number (1815156).

Almost surely, 2^12319388 is an apocalyptic number.

It is an amenable number.

12319388 is a deficient number, since it is larger than the sum of its proper divisors (9462484).

12319388 is a wasteful number, since it uses less digits than its factorization.

12319388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31852 (or 31850 counting only the distinct ones).

The product of its digits is 10368, while the sum is 35.

The square root of 12319388 is about 3509.8985740332. The cubic root of 12319388 is about 230.9562456562.

The spelling of 12319388 in words is "twelve million, three hundred nineteen thousand, three hundred eighty-eight".