12144627 has 32 divisors (see below), whose sum is σ = 19868160. Its totient is φ = 7270560.

The previous prime is 12144623. The next prime is 12144631. The reversal of 12144627 is 72644121.

It is an interprime number because it is at equal distance from previous prime (12144623) and next prime (12144631).

It is not a de Polignac number, because 12144627 - 2² = 12144623 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12144627.

It is not an unprimeable number, because it can be changed into a prime (12144623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30393 + ... + 30789.

It is an arithmetic number, because the mean of its divisors is an integer number (620880).

Almost surely, 2^12144627 is an apocalyptic number.

12144627 is a deficient number, since it is larger than the sum of its proper divisors (7723533).

12144627 is a wasteful number, since it uses less digits than its factorization.

12144627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520 (or 514 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 12144627 is about 3484.9142026741. The cubic root of 12144627 is about 229.8589368155.

Adding to 12144627 its reverse (72644121), we get a palindrome (84788748).

The spelling of 12144627 in words is "twelve million, one hundred forty-four thousand, six hundred twenty-seven".