12507389403 has 8 divisors (see below), whose sum is σ = 17064345408. Its totient is φ = 8144346504.

The previous prime is 12507389393. The next prime is 12507389417. The reversal of 12507389403 is 30498370521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12507389403 - 2¹⁰ = 12507388379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12507389203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48478125 + ... + 48478382.

It is an arithmetic number, because the mean of its divisors is an integer number (2133043176).

Almost surely, 2^12507389403 is an apocalyptic number.

12507389403 is a deficient number, since it is larger than the sum of its proper divisors (4556956005).

12507389403 is an equidigital number, since it uses as much as digits as its factorization.

12507389403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96956553.

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 12507389403 in words is "twelve billion, five hundred seven million, three hundred eighty-nine thousand, four hundred three".