12387254 has 24 divisors (see below), whose sum is σ = 21632184. Its totient is φ = 5297600.

The previous prime is 12387251. The next prime is 12387269. The reversal of 12387254 is 45278321.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12387254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12387251) 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 11 ways as a sum of consecutive naturals, for example, 2609 + ... + 5619.

It is an arithmetic number, because the mean of its divisors is an integer number (901341).

Almost surely, 2^12387254 is an apocalyptic number.

12387254 is a deficient number, since it is larger than the sum of its proper divisors (9244930).

12387254 is a wasteful number, since it uses less digits than its factorization.

12387254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3052 (or 3041 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 12387254 is about 3519.5530966303. The cubic root of 12387254 is about 231.3795724790.

The spelling of 12387254 in words is "twelve million, three hundred eighty-seven thousand, two hundred fifty-four".