12255782 has 24 divisors (see below), whose sum is σ = 23331240. Its totient is φ = 4774560.

The previous prime is 12255781. The next prime is 12255791. The reversal of 12255782 is 28755221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12255781) 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, 4607 + ... + 6762.

It is an arithmetic number, because the mean of its divisors is an integer number (972135).

Almost surely, 2^12255782 is an apocalyptic number.

12255782 is a deficient number, since it is larger than the sum of its proper divisors (11075458).

12255782 is a wasteful number, since it uses less digits than its factorization.

12255782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11396 (or 11389 counting only the distinct ones).

The product of its digits is 11200, while the sum is 32.

The square root of 12255782 is about 3500.8259025550. The cubic root of 12255782 is about 230.5580776636.

It can be divided in two parts, 1225 and 5782, that added together give a palindrome (7007).

The spelling of 12255782 in words is "twelve million, two hundred fifty-five thousand, seven hundred eighty-two".