12067668 has 18 divisors (see below), whose sum is σ = 30504474. Its totient is φ = 4022544.

The previous prime is 12067651. The next prime is 12067681. The reversal of 12067668 is 86676021.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11168964 + 898704 = 3342^2 + 948^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×12067668² = 291257221916448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 335213 = 12067668 / (1 + 2 + 0 + 6 + 7 + 6 + 6 + 8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 167571 + ... + 167642.

It is an arithmetic number, because the mean of its divisors is an integer number (1694693).

Almost surely, 2^12067668 is an apocalyptic number.

12067668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12067668 is an abundant number, since it is smaller than the sum of its proper divisors (18436806).

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

12067668 is a wasteful number, since it uses less digits than its factorization.

12067668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335223 (or 335218 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 12067668 is about 3473.8549192504. The cubic root of 12067668 is about 229.3723783875.

The spelling of 12067668 in words is "twelve million, sixty-seven thousand, six hundred sixty-eight".