12273388 has 12 divisors (see below), whose sum is σ = 22741992. Its totient is φ = 5775680.

The previous prime is 12273379. The next prime is 12273389. The reversal of 12273388 is 88337221.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (12273389) 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, 90178 + ... + 90313.

It is an arithmetic number, because the mean of its divisors is an integer number (1895166).

Almost surely, 2^12273388 is an apocalyptic number.

It is an amenable number.

12273388 is a deficient number, since it is larger than the sum of its proper divisors (10468604).

12273388 is a wasteful number, since it uses less digits than its factorization.

12273388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180512 (or 180510 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 12273388 is about 3503.3395496298. The cubic root of 12273388 is about 230.6684273016.

The spelling of 12273388 in words is "twelve million, two hundred seventy-three thousand, three hundred eighty-eight".