12605390670 has 16 divisors (see below), whose sum is σ = 30252937680. Its totient is φ = 3361437504.

The previous prime is 12605390663. The next prime is 12605390701. The reversal of 12605390670 is 7609350621.

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, 210089815 + ... + 210089874.

It is an arithmetic number, because the mean of its divisors is an integer number (1890808605).

Almost surely, 2^12605390670 is an apocalyptic number.

12605390670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12605390670 is an abundant number, since it is smaller than the sum of its proper divisors (17647547010).

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

12605390670 is a wasteful number, since it uses less digits than its factorization.

12605390670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420179699.

The product of its (nonzero) digits is 68040, while the sum is 39.

The spelling of 12605390670 in words is "twelve billion, six hundred five million, three hundred ninety thousand, six hundred seventy".