12081067 has 8 divisors (see below), whose sum is σ = 12841200. Its totient is φ = 11365792.

The previous prime is 12081061. The next prime is 12081073. The reversal of 12081067 is 76018021.

It is an interprime number because it is at equal distance from previous prime (12081061) and next prime (12081073).

It is a de Polignac number, because none of the positive numbers 2^k-12081067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12081061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3684 + ... + 6142.

It is an arithmetic number, because the mean of its divisors is an integer number (1605150).

Almost surely, 2^12081067 is an apocalyptic number.

12081067 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12081067 is a deficient number, since it is larger than the sum of its proper divisors (760133).

12081067 is an frugal number, since it uses more digits than its factorization.

12081067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2510 (or 2476 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 12081067 is about 3475.7829333835. The cubic root of 12081067 is about 229.4572394041.

Adding to 12081067 its reverse (76018021), we get a palindrome (88099088).

The spelling of 12081067 in words is "twelve million, eighty-one thousand, sixty-seven".