12144957 has 8 divisors (see below), whose sum is σ = 17665440. Its totient is φ = 7360560.

The previous prime is 12144931. The next prime is 12144959. The reversal of 12144957 is 75944121.

It is a happy number.

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

It is not a de Polignac number, because 12144957 - 2⁶ = 12144893 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 368029 = 12144957 / (1 + 2 + 1 + 4 + 4 + 9 + 5 + 7).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12144959) 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 7 ways as a sum of consecutive naturals, for example, 183982 + ... + 184047.

It is an arithmetic number, because the mean of its divisors is an integer number (2208180).

Almost surely, 2^12144957 is an apocalyptic number.

It is an amenable number.

12144957 is a deficient number, since it is larger than the sum of its proper divisors (5520483).

12144957 is a wasteful number, since it uses less digits than its factorization.

12144957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368043.

The product of its digits is 10080, while the sum is 33.

The square root of 12144957 is about 3484.9615492857. The cubic root of 12144957 is about 229.8610187447.

The spelling of 12144957 in words is "twelve million, one hundred forty-four thousand, nine hundred fifty-seven".