12402168 has 16 divisors (see below), whose sum is σ = 31005480. Its totient is φ = 4134048.

The previous prime is 12402167. The next prime is 12402179. The reversal of 12402168 is 86120421.

It is a super-2 number, since 2×12402168² = 307627542200448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 516757 = 12402168 / (1 + 2 + 4 + 0 + 2 + 1 + 6 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12402167) 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, 258355 + ... + 258402.

Almost surely, 2^12402168 is an apocalyptic number.

It is an amenable number.

12402168 is an abundant number, since it is smaller than the sum of its proper divisors (18603312).

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

12402168 is a wasteful number, since it uses less digits than its factorization.

12402168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516766 (or 516762 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 12402168 is about 3521.6711941918. The cubic root of 12402168 is about 231.4723939920.

Adding to 12402168 its reverse (86120421), we get a palindrome (98522589).

The spelling of 12402168 in words is "twelve million, four hundred two thousand, one hundred sixty-eight".