12603388734 has 24 divisors (see below), whose sum is σ = 27465194952. Its totient is φ = 4176844560.

The previous prime is 12603388717. The next prime is 12603388741. The reversal of 12603388734 is 43788330621.

12603388734 is a `hidden beast` number, since 1 + 2 + 603 + 3 + 8 + 8 + 7 + 34 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 12603388734.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2020552 + ... + 2026779.

It is an arithmetic number, because the mean of its divisors is an integer number (1144383123).

Almost surely, 2^12603388734 is an apocalyptic number.

12603388734 is an abundant number, since it is smaller than the sum of its proper divisors (14861806218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12603388734 is a wasteful number, since it uses less digits than its factorization.

12603388734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4047512 (or 4047509 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 12603388734 in words is "twelve billion, six hundred three million, three hundred eighty-eight thousand, seven hundred thirty-four".