12223952 has 40 divisors (see below), whose sum is σ = 27013896. Its totient is φ = 5308416.

The previous prime is 12223933. The next prime is 12223979. The reversal of 12223952 is 25932221.

It can be written as a sum of positive squares in 4 ways, for example, as 1936 + 12222016 = 44^2 + 3496^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1808 + ... + 5264.

Almost surely, 2^12223952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12223952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13506948).

12223952 is an abundant number, since it is smaller than the sum of its proper divisors (14789944).

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

12223952 is a wasteful number, since it uses less digits than its factorization.

12223952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3495 (or 3489 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 12223952 is about 3496.2768769078. The cubic root of 12223952 is about 230.3583073028.

The spelling of 12223952 in words is "twelve million, two hundred twenty-three thousand, nine hundred fifty-two".