12904513803 has 24 divisors (see below), whose sum is σ = 19625720400. Its totient is φ = 8148216384.

The previous prime is 12904513759. The next prime is 12904513813. The reversal of 12904513803 is 30831540921.

12904513803 is a `hidden beast` number, since 129 + 0 + 451 + 3 + 80 + 3 = 666.

It is not a de Polignac number, because 12904513803 - 2¹³ = 12904505611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12904513813) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1024701 + ... + 1037217.

It is an arithmetic number, because the mean of its divisors is an integer number (817738350).

Almost surely, 2^12904513803 is an apocalyptic number.

12904513803 is a deficient number, since it is larger than the sum of its proper divisors (6721206597).

12904513803 is a wasteful number, since it uses less digits than its factorization.

12904513803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18571 (or 18568 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 12904513803 in words is "twelve billion, nine hundred four million, five hundred thirteen thousand, eight hundred three".