12142992 has 20 divisors (see below), whose sum is σ = 31369520. Its totient is φ = 4047648.

The previous prime is 12142969. The next prime is 12142997. The reversal of 12142992 is 29924121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12142997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126442 + ... + 126537.

It is an arithmetic number, because the mean of its divisors is an integer number (1568476).

Almost surely, 2^12142992 is an apocalyptic number.

12142992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12142992 is an abundant number, since it is smaller than the sum of its proper divisors (19226528).

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

12142992 is a wasteful number, since it uses less digits than its factorization.

12142992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252990 (or 252984 counting only the distinct ones).

The product of its digits is 2592, while the sum is 30.

The square root of 12142992 is about 3484.6796122456. The cubic root of 12142992 is about 229.8486212461.

The spelling of 12142992 in words is "twelve million, one hundred forty-two thousand, nine hundred ninety-two".