12645004 has 12 divisors (see below), whose sum is σ = 22153824. Its totient is φ = 6315344.

The previous prime is 12644941. The next prime is 12645011. The reversal of 12645004 is 40054621.

It is a super-2 number, since 2×12645004² = 319792252320032, 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, 5334 + ... + 7330.

It is an arithmetic number, because the mean of its divisors is an integer number (1846152).

Almost surely, 2^12645004 is an apocalyptic number.

It is an amenable number.

12645004 is a deficient number, since it is larger than the sum of its proper divisors (9508820).

12645004 is a wasteful number, since it uses less digits than its factorization.

12645004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3584 (or 3582 counting only the distinct ones).

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

The square root of 12645004 is about 3555.9814397716. The cubic root of 12645004 is about 232.9733924316.

Adding to 12645004 its reverse (40054621), we get a palindrome (52699625).

The spelling of 12645004 in words is "twelve million, six hundred forty-five thousand, four".