12319992 has 32 divisors (see below), whose sum is σ = 34222800. Its totient is φ = 4106592.

The previous prime is 12319981. The next prime is 12319997. The reversal of 12319992 is 29991321.

It is a happy number.

It is a super-4 number, since 4×12319992⁴ (a number of 29 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12319997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28303 + ... + 28734.

Almost surely, 2^12319992 is an apocalyptic number.

12319992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12319992 is an abundant number, since it is smaller than the sum of its proper divisors (21902808).

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

12319992 is a wasteful number, since it uses less digits than its factorization.

12319992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57052 (or 57042 counting only the distinct ones).

The product of its digits is 8748, while the sum is 36.

The square root of 12319992 is about 3509.9846153509. The cubic root of 12319992 is about 230.9600200669.

The spelling of 12319992 in words is "twelve million, three hundred nineteen thousand, nine hundred ninety-two".