12306344 has 8 divisors (see below), whose sum is σ = 23074410. Its totient is φ = 6153168.

The previous prime is 12306341. The next prime is 12306367. The reversal of 12306344 is 44360321.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10956100 + 1350244 = 3310^2 + 1162^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×12306344² = 302892205292672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12306341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 769139 + ... + 769154.

Almost surely, 2^12306344 is an apocalyptic number.

It is an amenable number.

12306344 is a deficient number, since it is larger than the sum of its proper divisors (10768066).

12306344 is a wasteful number, since it uses less digits than its factorization.

12306344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538299 (or 1538295 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 12306344 is about 3508.0399085529. The cubic root of 12306344 is about 230.8747032625.

Adding to 12306344 its reverse (44360321), we get a palindrome (56666665).

The spelling of 12306344 in words is "twelve million, three hundred six thousand, three hundred forty-four".