12144951 has 32 divisors (see below), whose sum is σ = 22149120. Its totient is φ = 6404832.

The previous prime is 12144931. The next prime is 12144959. The reversal of 12144951 is 15944121.

It is not a de Polignac number, because 12144951 - 2¹⁰ = 12143927 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 31 ways as a sum of consecutive naturals, for example, 15 + ... + 4928.

It is an arithmetic number, because the mean of its divisors is an integer number (692160).

Almost surely, 2^12144951 is an apocalyptic number.

12144951 is a deficient number, since it is larger than the sum of its proper divisors (10004169).

12144951 is a wasteful number, since it uses less digits than its factorization.

12144951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4972 (or 4966 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 12144951 is about 3484.9606884440. The cubic root of 12144951 is about 229.8609808918.

The spelling of 12144951 in words is "twelve million, one hundred forty-four thousand, nine hundred fifty-one".