12276442 has 8 divisors (see below), whose sum is σ = 18648000. Its totient is φ = 6060444.

The previous prime is 12276427. The next prime is 12276463. The reversal of 12276442 is 24467221.

It is a happy number.

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

It is a super-2 number, since 2×12276442² = 301422056358728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12276442.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38692 + ... + 39007.

It is an arithmetic number, because the mean of its divisors is an integer number (2331000).

Almost surely, 2^12276442 is an apocalyptic number.

12276442 is a deficient number, since it is larger than the sum of its proper divisors (6371558).

12276442 is an equidigital number, since it uses as much as digits as its factorization.

12276442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77780.

The product of its digits is 5376, while the sum is 28.

The square root of 12276442 is about 3503.7753923447. The cubic root of 12276442 is about 230.6875582037.

The spelling of 12276442 in words is "twelve million, two hundred seventy-six thousand, four hundred forty-two".