12278583 has 6 divisors (see below), whose sum is σ = 17735744. Its totient is φ = 8185716.

The previous prime is 12278569. The next prime is 12278599. The reversal of 12278583 is 38587221.

12278583 is a `hidden beast` number, since 1 + 2 + 2 + 78 + 583 = 666.

It is not a de Polignac number, because 12278583 - 2¹² = 12274487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12278543) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 682135 + ... + 682152.

Almost surely, 2^12278583 is an apocalyptic number.

12278583 is a deficient number, since it is larger than the sum of its proper divisors (5457161).

12278583 is a wasteful number, since it uses less digits than its factorization.

12278583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364293 (or 1364290 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 12278583 is about 3504.0809066002. The cubic root of 12278583 is about 230.7009679890.

The spelling of 12278583 in words is "twelve million, two hundred seventy-eight thousand, five hundred eighty-three".