12942368 has 12 divisors (see below), whose sum is σ = 25480350. Its totient is φ = 6471168.

The previous prime is 12942367. The next prime is 12942373. The reversal of 12942368 is 86324921.

It can be written as a sum of positive squares in only one way, i.e., 12759184 + 183184 = 3572^2 + 428^2 .

It is a super-4 number, since 4×12942368⁴ (a number of 30 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (12942367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202193 + ... + 202256.

Almost surely, 2^12942368 is an apocalyptic number.

It is an amenable number.

12942368 is a deficient number, since it is larger than the sum of its proper divisors (12537982).

12942368 is an equidigital number, since it uses as much as digits as its factorization.

12942368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404459 (or 404451 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 12942368 is about 3597.5502776195. The cubic root of 12942368 is about 234.7854870604.

The spelling of 12942368 in words is "twelve million, nine hundred forty-two thousand, three hundred sixty-eight".