12229742 has 8 divisors (see below), whose sum is σ = 20965296. Its totient is φ = 5241312.

The previous prime is 12229741. The next prime is 12229747. The reversal of 12229742 is 24792221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12229741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436763 + ... + 436790.

It is an arithmetic number, because the mean of its divisors is an integer number (2620662).

Almost surely, 2^12229742 is an apocalyptic number.

12229742 is a deficient number, since it is larger than the sum of its proper divisors (8735554).

12229742 is an equidigital number, since it uses as much as digits as its factorization.

12229742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873562.

The product of its digits is 4032, while the sum is 29.

The square root of 12229742 is about 3497.1048025474. The cubic root of 12229742 is about 230.3946720854.

The spelling of 12229742 in words is "twelve million, two hundred twenty-nine thousand, seven hundred forty-two".