12047422 has 16 divisors (see below), whose sum is σ = 18829152. Its totient is φ = 5775840.

The previous prime is 12047419. The next prime is 12047429. The reversal of 12047422 is 22474021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12047393 and 12047402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12047429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4108 + ... + 6400.

It is an arithmetic number, because the mean of its divisors is an integer number (1176822).

Almost surely, 2^12047422 is an apocalyptic number.

12047422 is a deficient number, since it is larger than the sum of its proper divisors (6781730).

12047422 is a wasteful number, since it uses less digits than its factorization.

12047422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2403.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 12047422 is about 3470.9396422295. The cubic root of 12047422 is about 229.2440334409.

The spelling of 12047422 in words is "twelve million, forty-seven thousand, four hundred twenty-two".