12506044 has 6 divisors (see below), whose sum is σ = 21885584. Its totient is φ = 6253020.

The previous prime is 12506041. The next prime is 12506057. The reversal of 12506044 is 44060521.

It is a super-2 number, since 2×12506044² = 312802273059872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12506041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1563252 + ... + 1563259.

Almost surely, 2^12506044 is an apocalyptic number.

It is an amenable number.

12506044 is a deficient number, since it is larger than the sum of its proper divisors (9379540).

12506044 is a wasteful number, since it uses less digits than its factorization.

12506044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3126515 (or 3126513 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 12506044 is about 3536.3885533125. The cubic root of 12506044 is about 232.1168406708.

Adding to 12506044 its reverse (44060521), we get a palindrome (56566565).

The spelling of 12506044 in words is "twelve million, five hundred six thousand, forty-four".