12229842 has 8 divisors (see below), whose sum is σ = 24459696. Its totient is φ = 4076612.

The previous prime is 12229807. The next prime is 12229843. The reversal of 12229842 is 24892221.

It is a sphenic number, since it is the product of 3 distinct primes.

12229842 is an admirable number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (12229843) 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 3 ways as a sum of consecutive naturals, for example, 1019148 + ... + 1019159.

It is an arithmetic number, because the mean of its divisors is an integer number (3057462).

Almost surely, 2^12229842 is an apocalyptic number.

12229842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12229842 is a wasteful number, since it uses less digits than its factorization.

12229842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2038312.

The product of its digits is 4608, while the sum is 30.

The square root of 12229842 is about 3497.1191000594. The cubic root of 12229842 is about 230.3953000464.

The spelling of 12229842 in words is "twelve million, two hundred twenty-nine thousand, eight hundred forty-two".