12451252 has 24 divisors (see below), whose sum is σ = 24327072. Its totient is φ = 5527200.

The previous prime is 12451223. The next prime is 12451253. The reversal of 12451252 is 25215421.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12451253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1399 + ... + 5182.

It is an arithmetic number, because the mean of its divisors is an integer number (1013628).

Almost surely, 2^12451252 is an apocalyptic number.

It is an amenable number.

12451252 is a deficient number, since it is larger than the sum of its proper divisors (11875820).

12451252 is a wasteful number, since it uses less digits than its factorization.

12451252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6639 (or 6637 counting only the distinct ones).

The product of its digits is 800, while the sum is 22.

The square root of 12451252 is about 3528.6331631384. The cubic root of 12451252 is about 231.7773577500. Note that the first 3 decimals are identical.

Adding to 12451252 its reverse (25215421), we get a palindrome (37666673).

The spelling of 12451252 in words is "twelve million, four hundred fifty-one thousand, two hundred fifty-two".