12229452 has 18 divisors (see below), whose sum is σ = 30913428. Its totient is φ = 4076472.

The previous prime is 12229429. The next prime is 12229487. The reversal of 12229452 is 25492221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 169818 + ... + 169889.

Almost surely, 2^12229452 is an apocalyptic number.

12229452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12229452 is an abundant number, since it is smaller than the sum of its proper divisors (18683976).

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

12229452 is a wasteful number, since it uses less digits than its factorization.

12229452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339717 (or 339712 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 12229452 is about 3497.0633394321. The cubic root of 12229452 is about 230.3928509790.

The spelling of 12229452 in words is "twelve million, two hundred twenty-nine thousand, four hundred fifty-two".