12783772 has 12 divisors (see below), whose sum is σ = 22593816. Its totient is φ = 6328400.

The previous prime is 12783769. The next prime is 12783773. The reversal of 12783772 is 27738721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12783773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15418 + ... + 16225.

It is an arithmetic number, because the mean of its divisors is an integer number (1882818).

Almost surely, 2^12783772 is an apocalyptic number.

It is an amenable number.

12783772 is a deficient number, since it is larger than the sum of its proper divisors (9810044).

12783772 is a wasteful number, since it uses less digits than its factorization.

12783772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31748 (or 31746 counting only the distinct ones).

The product of its digits is 32928, while the sum is 37.

The square root of 12783772 is about 3575.4401127693. The cubic root of 12783772 is about 233.8225210842.

It can be divided in two parts, 1278 and 3772, that added together give a triangular number (5050 = T₁₀₀).

The spelling of 12783772 in words is "twelve million, seven hundred eighty-three thousand, seven hundred seventy-two".