12667065 has 16 divisors (see below), whose sum is σ = 20921856. Its totient is φ = 6537600.

The previous prime is 12667063. The next prime is 12667093. The reversal of 12667065 is 56076621.

It is not a de Polignac number, because 12667065 - 2¹ = 12667063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12667063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13156 + ... + 14085.

It is an arithmetic number, because the mean of its divisors is an integer number (1307616).

Almost surely, 2^12667065 is an apocalyptic number.

12667065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12667065 is a deficient number, since it is larger than the sum of its proper divisors (8254791).

12667065 is a wasteful number, since it uses less digits than its factorization.

12667065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27280.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 12667065 is about 3559.0820445727. The cubic root of 12667065 is about 233.1087987409.

The spelling of 12667065 in words is "twelve million, six hundred sixty-seven thousand, sixty-five".