12992142 has 8 divisors (see below), whose sum is σ = 25984296. Its totient is φ = 4330712.

The previous prime is 12992141. The next prime is 12992153. The reversal of 12992142 is 24129921.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

12992142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12992141) 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 3 ways as a sum of consecutive naturals, for example, 1082673 + ... + 1082684.

It is an arithmetic number, because the mean of its divisors is an integer number (3248037).

Almost surely, 2^12992142 is an apocalyptic number.

12992142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12992142 is a wasteful number, since it uses less digits than its factorization.

12992142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2165362.

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

The square root of 12992142 is about 3604.4614022070. The cubic root of 12992142 is about 235.0860828437.

The spelling of 12992142 in words is "twelve million, nine hundred ninety-two thousand, one hundred forty-two".