12504452 has 36 divisors (see below), whose sum is σ = 24111780. Its totient is φ = 5666304.

The previous prime is 12504431. The next prime is 12504473. The reversal of 12504452 is 25440521.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12504431) and next prime (12504473).

It can be written as a sum of positive squares in 6 ways, for example, as 1308736 + 11195716 = 1144^2 + 3346^2 .

It is a super-2 number, since 2×12504452² = 312722639640608, which contains 22 as substring.

It is an unprimeable number.

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, 33338 + ... + 33710.

Almost surely, 2^12504452 is an apocalyptic number.

It is an amenable number.

12504452 is a deficient number, since it is larger than the sum of its proper divisors (11607328).

12504452 is a wasteful number, since it uses less digits than its factorization.

12504452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440 (or 421 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 12504452 is about 3536.1634577604. The cubic root of 12504452 is about 232.1069908816.

Adding to 12504452 its reverse (25440521), we get a palindrome (37944973).

The spelling of 12504452 in words is "twelve million, five hundred four thousand, four hundred fifty-two".