12683140 has 12 divisors (see below), whose sum is σ = 26634636. Its totient is φ = 5073248.

The previous prime is 12683137. The next prime is 12683183. The reversal of 12683140 is 4138621.

It can be written as a sum of positive squares in 2 ways, for example, as 9326916 + 3356224 = 3054^2 + 1832^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317059 + ... + 317098.

It is an arithmetic number, because the mean of its divisors is an integer number (2219553).

Almost surely, 2^12683140 is an apocalyptic number.

12683140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12683140 is an abundant number, since it is smaller than the sum of its proper divisors (13951496).

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

12683140 is a wasteful number, since it uses less digits than its factorization.

12683140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634166 (or 634164 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 12683140 is about 3561.3396355866. The cubic root of 12683140 is about 233.2073651131.

The spelling of 12683140 in words is "twelve million, six hundred eighty-three thousand, one hundred forty".