12669783 has 24 divisors (see below), whose sum is σ = 19918080. Its totient is φ = 7141680.

The previous prime is 12669707. The next prime is 12669791. The reversal of 12669783 is 38796621.

It is a happy number.

12669783 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12669783 - 2¹² = 12665687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12669383) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11068 + ... + 12158.

It is an arithmetic number, because the mean of its divisors is an integer number (829920).

Almost surely, 2^12669783 is an apocalyptic number.

12669783 is a deficient number, since it is larger than the sum of its proper divisors (7248297).

12669783 is a wasteful number, since it uses less digits than its factorization.

12669783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187 (or 1180 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 12669783 is about 3559.4638641234. The cubic root of 12669783 is about 233.1254704378.

The spelling of 12669783 in words is "twelve million, six hundred sixty-nine thousand, seven hundred eighty-three".