12681192 has 16 divisors (see below), whose sum is σ = 31703040. Its totient is φ = 4227056.

The previous prime is 12681187. The next prime is 12681203. The reversal of 12681192 is 29118621.

It is a happy 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, 264168 + ... + 264215.

It is an arithmetic number, because the mean of its divisors is an integer number (1981440).

Almost surely, 2^12681192 is an apocalyptic number.

12681192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12681192 is an abundant number, since it is smaller than the sum of its proper divisors (19021848).

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

12681192 is a wasteful number, since it uses less digits than its factorization.

12681192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528392 (or 528388 counting only the distinct ones).

The product of its digits is 1728, while the sum is 30.

The square root of 12681192 is about 3561.0661324946. The cubic root of 12681192 is about 233.1954250834.

It can be divided in two parts, 126 and 81192, that added together give a palindrome (81318).

The spelling of 12681192 in words is "twelve million, six hundred eighty-one thousand, one hundred ninety-two".