12511004 has 12 divisors (see below), whose sum is σ = 23884728. Its totient is φ = 5686800.

The previous prime is 12511003. The next prime is 12511007. The reversal of 12511004 is 40011521.

It is a self number, because there is not a number n which added to its sum of digits gives 12511004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12511003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142127 + ... + 142214.

It is an arithmetic number, because the mean of its divisors is an integer number (1990394).

Almost surely, 2^12511004 is an apocalyptic number.

It is an amenable number.

12511004 is a deficient number, since it is larger than the sum of its proper divisors (11373724).

12511004 is a wasteful number, since it uses less digits than its factorization.

12511004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284356 (or 284354 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 12511004 is about 3537.0897641988. The cubic root of 12511004 is about 232.1475230981.

Adding to 12511004 its reverse (40011521), we get a palindrome (52522525).

The spelling of 12511004 in words is "twelve million, five hundred eleven thousand, four".