12292144 has 10 divisors (see below), whose sum is σ = 23816060. Its totient is φ = 6146064.

The previous prime is 12292141. The next prime is 12292193. The reversal of 12292144 is 44129221.

It is not an unprimeable number, because it can be changed into a prime (12292141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384114 + ... + 384145.

It is an arithmetic number, because the mean of its divisors is an integer number (2381606).

Almost surely, 2^12292144 is an apocalyptic number.

It is an amenable number.

12292144 is a deficient number, since it is larger than the sum of its proper divisors (11523916).

12292144 is an equidigital number, since it uses as much as digits as its factorization.

12292144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768267 (or 768261 counting only the distinct ones).

The product of its digits is 1152, while the sum is 25.

The square root of 12292144 is about 3506.0154021339. The cubic root of 12292144 is about 230.7858687947.

The spelling of 12292144 in words is "twelve million, two hundred ninety-two thousand, one hundred forty-four".