12273436 has 24 divisors (see below), whose sum is σ = 24667776. Its totient is φ = 5234160.

The previous prime is 12273433. The next prime is 12273451. The reversal of 12273436 is 63437221.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12273433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5391 + ... + 7321.

It is an arithmetic number, because the mean of its divisors is an integer number (1027824).

Almost surely, 2^12273436 is an apocalyptic number.

It is an amenable number.

12273436 is an abundant number, since it is smaller than the sum of its proper divisors (12394340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12273436 is a wasteful number, since it uses less digits than its factorization.

12273436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2169 (or 2167 counting only the distinct ones).

The product of its digits is 6048, while the sum is 28.

The square root of 12273436 is about 3503.3464002294. The cubic root of 12273436 is about 230.6687280083.

The spelling of 12273436 in words is "twelve million, two hundred seventy-three thousand, four hundred thirty-six".