12367992 has 96 divisors (see below), whose sum is σ = 38782800. Its totient is φ = 3257856.

The previous prime is 12367991. The next prime is 12368009. The reversal of 12367992 is 29976321.

It is a super-2 number, since 2×12367992² = 305934452224128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 12367992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12367991) 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 23 ways as a sum of consecutive naturals, for example, 14884 + ... + 15692.

Almost surely, 2^12367992 is an apocalyptic number.

12367992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12367992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19391400).

12367992 is an abundant number, since it is smaller than the sum of its proper divisors (26414808).

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

12367992 is a wasteful number, since it uses less digits than its factorization.

12367992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845 (or 834 counting only the distinct ones).

The product of its digits is 40824, while the sum is 39.

The square root of 12367992 is about 3516.8156050609. The cubic root of 12367992 is about 231.2595796372.

The spelling of 12367992 in words is "twelve million, three hundred sixty-seven thousand, nine hundred ninety-two".