12504442 has 8 divisors (see below), whose sum is σ = 18771732. Its totient is φ = 6247200.

The previous prime is 12504431. The next prime is 12504473. The reversal of 12504442 is 24440521.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12467961 + 36481 = 3531^2 + 191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12504442² = 312722139462728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3192 + ... + 5932.

Almost surely, 2^12504442 is an apocalyptic number.

12504442 is a deficient number, since it is larger than the sum of its proper divisors (6267290).

12504442 is a wasteful number, since it uses less digits than its factorization.

12504442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5024.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 12504442 is about 3536.1620437983. The cubic root of 12504442 is about 232.1069290084.

Adding to 12504442 its reverse (24440521), we get a palindrome (36944963).

The spelling of 12504442 in words is "twelve million, five hundred four thousand, four hundred forty-two".