12704670 has 96 divisors (see below), whose sum is σ = 37031904. Its totient is φ = 2995200.

The previous prime is 12704663. The next prime is 12704693. The reversal of 12704670 is 7640721.

It is a super-2 number, since 2×12704670² = 322817279617800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40434 + ... + 40746.

It is an arithmetic number, because the mean of its divisors is an integer number (385749).

Almost surely, 2^12704670 is an apocalyptic number.

12704670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12704670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18515952).

12704670 is an abundant number, since it is smaller than the sum of its proper divisors (24327234).

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

12704670 is a wasteful number, since it uses less digits than its factorization.

12704670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 12704670 is about 3564.3610928187. The cubic root of 12704670 is about 233.3392492831.

The spelling of 12704670 in words is "twelve million, seven hundred four thousand, six hundred seventy".