12603872885 has 8 divisors (see below), whose sum is σ = 15135240120. Its totient is φ = 10076036544.

The previous prime is 12603872867. The next prime is 12603872909. The reversal of 12603872885 is 58827830621.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 172291876 + 12431581009 = 13126^2 + 111497^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12603872885 - 2²⁶ = 12536764021 is a prime.

It is a super-2 number, since 2×12603872885² (a number of 21 digits) contains 22 as substring.

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, 874862 + ... + 889151.

It is an arithmetic number, because the mean of its divisors is an integer number (1891905015).

Almost surely, 2^12603872885 is an apocalyptic number.

It is an amenable number.

12603872885 is a deficient number, since it is larger than the sum of its proper divisors (2531367235).

12603872885 is a wasteful number, since it uses less digits than its factorization.

12603872885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765447.

The product of its (nonzero) digits is 1290240, while the sum is 50.

The spelling of 12603872885 in words is "twelve billion, six hundred three million, eight hundred seventy-two thousand, eight hundred eighty-five".