12144494 has 16 divisors (see below), whose sum is σ = 19353168. Its totient is φ = 5695872.

The previous prime is 12144493. The next prime is 12144521. The reversal of 12144494 is 49444121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12144491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18272 + ... + 18924.

It is an arithmetic number, because the mean of its divisors is an integer number (1209573).

Almost surely, 2^12144494 is an apocalyptic number.

12144494 is a deficient number, since it is larger than the sum of its proper divisors (7208674).

12144494 is a wasteful number, since it uses less digits than its factorization.

12144494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219.

The product of its digits is 4608, while the sum is 29.

The square root of 12144494 is about 3484.8951203731. The cubic root of 12144494 is about 229.8580977243.

The spelling of 12144494 in words is "twelve million, one hundred forty-four thousand, four hundred ninety-four".