12267772 has 12 divisors (see below), whose sum is σ = 23420376. Its totient is φ = 5576240.

The previous prime is 12267743. The next prime is 12267779. The reversal of 12267772 is 27776221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12267779) 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, 139363 + ... + 139450.

It is an arithmetic number, because the mean of its divisors is an integer number (1951698).

Almost surely, 2^12267772 is an apocalyptic number.

It is an amenable number.

12267772 is a deficient number, since it is larger than the sum of its proper divisors (11152604).

12267772 is a wasteful number, since it uses less digits than its factorization.

12267772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278828 (or 278826 counting only the distinct ones).

The product of its digits is 16464, while the sum is 34.

The square root of 12267772 is about 3502.5379369823. The cubic root of 12267772 is about 230.6332392040.

It can be divided in two parts, 1226 and 7772, that added together give a palindrome (8998).

The spelling of 12267772 in words is "twelve million, two hundred sixty-seven thousand, seven hundred seventy-two".