12077667 has 60 divisors (see below), whose sum is σ = 22346280. Its totient is φ = 6459264.

The previous prime is 12077617. The next prime is 12077671. The reversal of 12077667 is 76677021.

It is not a de Polignac number, because 12077667 - 2¹⁰ = 12076643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12077617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 67384 + ... + 67562.

It is an arithmetic number, because the mean of its divisors is an integer number (372438).

Almost surely, 2^12077667 is an apocalyptic number.

12077667 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12077667 is a deficient number, since it is larger than the sum of its proper divisors (10268613).

12077667 is a wasteful number, since it uses less digits than its factorization.

12077667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The square root of 12077667 is about 3475.2938005297. The cubic root of 12077667 is about 229.4357118406.

The spelling of 12077667 in words is "twelve million, seventy-seven thousand, six hundred sixty-seven".