12229956 has 36 divisors (see below), whose sum is σ = 31030272. Its totient is φ = 4061424.

The previous prime is 12229927. The next prime is 12229961. The reversal of 12229956 is 65992221.

It is a happy number.

12229956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 12229956.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13345 + ... + 14231.

It is an arithmetic number, because the mean of its divisors is an integer number (861952).

Almost surely, 2^12229956 is an apocalyptic number.

It is an amenable number.

12229956 is an abundant number, since it is smaller than the sum of its proper divisors (18800316).

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

12229956 is a wasteful number, since it uses less digits than its factorization.

12229956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280 (or 1275 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 12229956 is about 3497.1353991517. The cubic root of 12229956 is about 230.3960159178.

The spelling of 12229956 in words is "twelve million, two hundred twenty-nine thousand, nine hundred fifty-six".