12510004 has 24 divisors (see below), whose sum is σ = 23796360. Its totient is φ = 5720064.

The previous prime is 12509983. The next prime is 12510023. The reversal of 12510004 is 40001521.

It can be written as a sum of positive squares in 4 ways, for example, as 813604 + 11696400 = 902^2 + 3420^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4812 + ... + 6940.

It is an arithmetic number, because the mean of its divisors is an integer number (991515).

Almost surely, 2^12510004 is an apocalyptic number.

It is an amenable number.

12510004 is a deficient number, since it is larger than the sum of its proper divisors (11286356).

12510004 is a wasteful number, since it uses less digits than its factorization.

12510004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2259 (or 2257 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 12510004 is about 3536.9484022247. The cubic root of 12510004 is about 232.1413377776.

Adding to 12510004 its reverse (40001521), we get a palindrome (52511525).

The spelling of 12510004 in words is "twelve million, five hundred ten thousand, four".