12402344 has 16 divisors (see below), whose sum is σ = 23399520. Its totient is φ = 6162480.

The previous prime is 12402311. The next prime is 12402349. The reversal of 12402344 is 44320421.

It is a plaindrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (12402349) 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, 3452 + ... + 6059.

It is an arithmetic number, because the mean of its divisors is an integer number (1462470).

Almost surely, 2^12402344 is an apocalyptic number.

It is an amenable number.

12402344 is a deficient number, since it is larger than the sum of its proper divisors (10997176).

12402344 is a wasteful number, since it uses less digits than its factorization.

12402344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9680 (or 9676 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 12402344 is about 3521.6961822395. The cubic root of 12402344 is about 231.4734889336.

Adding to 12402344 its reverse (44320421), we get a palindrome (56722765).

The spelling of 12402344 in words is "twelve million, four hundred two thousand, three hundred forty-four".