12840183 has 12 divisors (see below), whose sum is σ = 18771480. Its totient is φ = 8456496.

The previous prime is 12840133. The next prime is 12840193. The reversal of 12840183 is 38104821.

It is not a de Polignac number, because 12840183 - 2⁸ = 12839927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12840103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7848 + ... + 9341.

It is an arithmetic number, because the mean of its divisors is an integer number (1564290).

Almost surely, 2^12840183 is an apocalyptic number.

12840183 is a deficient number, since it is larger than the sum of its proper divisors (5931297).

12840183 is a wasteful number, since it uses less digits than its factorization.

12840183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17278 (or 17275 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 12840183 is about 3583.3201085027. The cubic root of 12840183 is about 234.1659462807.

The spelling of 12840183 in words is "twelve million, eight hundred forty thousand, one hundred eighty-three".