12347022 has 16 divisors (see below), whose sum is σ = 24935040. Its totient is φ = 4075512.

The previous prime is 12347009. The next prime is 12347029. The reversal of 12347022 is 22074321.

It is a self number, because there is not a number n which added to its sum of digits gives 12347022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12347029) 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 7 ways as a sum of consecutive naturals, for example, 9372 + ... + 10607.

It is an arithmetic number, because the mean of its divisors is an integer number (1558440).

Almost surely, 2^12347022 is an apocalyptic number.

12347022 is an abundant number, since it is smaller than the sum of its proper divisors (12588018).

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

12347022 is a wasteful number, since it uses less digits than its factorization.

12347022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20087.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 12347022 is about 3513.8329499280. The cubic root of 12347022 is about 231.1288050604.

It can be divided in two parts, 1234 and 7022, that added together give a triangular number (8256 = T₁₂₈).

The spelling of 12347022 in words is "twelve million, three hundred forty-seven thousand, twenty-two".