12545004 has 24 divisors (see below), whose sum is σ = 29331568. Its totient is φ = 4173120.

The previous prime is 12544999. The next prime is 12545041. The reversal of 12545004 is 40054521.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8394 + ... + 9774.

Almost surely, 2^12545004 is an apocalyptic number.

It is an amenable number.

12545004 is an abundant number, since it is smaller than the sum of its proper divisors (16786564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12545004 is a wasteful number, since it uses less digits than its factorization.

12545004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2145 (or 2143 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 12545004 is about 3541.8927143549. The cubic root of 12545004 is about 232.3576281790.

Adding to 12545004 its reverse (40054521), we get a palindrome (52599525).

The spelling of 12545004 in words is "twelve million, five hundred forty-five thousand, four".