12870770 has 32 divisors (see below), whose sum is σ = 25508736. Its totient is φ = 4675440.

The previous prime is 12870763. The next prime is 12870773. The reversal of 12870770 is 7707821.

It is not an unprimeable number, because it can be changed into a prime (12870773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12827 + ... + 13793.

It is an arithmetic number, because the mean of its divisors is an integer number (797148).

Almost surely, 2^12870770 is an apocalyptic number.

12870770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12870770 is a deficient number, since it is larger than the sum of its proper divisors (12637966).

12870770 is an equidigital number, since it uses as much as digits as its factorization.

12870770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007 (or 985 counting only the distinct ones).

The product of its (nonzero) digits is 5488, while the sum is 32.

The square root of 12870770 is about 3587.5855390499. The cubic root of 12870770 is about 234.3517368318.

The spelling of 12870770 in words is "twelve million, eight hundred seventy thousand, seven hundred seventy".