12652004 has 18 divisors (see below), whose sum is σ = 22936914. Its totient is φ = 6106240.

The previous prime is 12651997. The next prime is 12652007. The reversal of 12652004 is 40025621.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1827904 + 10824100 = 1352^2 + 3290^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12652007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1484 + ... + 5244.

It is an arithmetic number, because the mean of its divisors is an integer number (1274273).

Almost surely, 2^12652004 is an apocalyptic number.

It is an amenable number.

12652004 is a deficient number, since it is larger than the sum of its proper divisors (10284910).

12652004 is a wasteful number, since it uses less digits than its factorization.

12652004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3823 (or 3792 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 12652004 is about 3556.9655606992. The cubic root of 12652004 is about 233.0163741739.

Adding to 12652004 its reverse (40025621), we get a palindrome (52677625).

The spelling of 12652004 in words is "twelve million, six hundred fifty-two thousand, four".