12135667 has 8 divisors (see below), whose sum is σ = 12508992. Its totient is φ = 11764800.

The previous prime is 12135611. The next prime is 12135677. The reversal of 12135667 is 76653121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12135667 - 2¹¹ = 12133619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12135677) 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, 15567 + ... + 16327.

It is an arithmetic number, because the mean of its divisors is an integer number (1563624).

Almost surely, 2^12135667 is an apocalyptic number.

12135667 is a deficient number, since it is larger than the sum of its proper divisors (373325).

12135667 is an equidigital number, since it uses as much as digits as its factorization.

12135667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229.

The product of its digits is 7560, while the sum is 31.

The square root of 12135667 is about 3483.6284245022. The cubic root of 12135667 is about 229.8023948629.

Adding to 12135667 its reverse (76653121), we get a palindrome (88788788).

The spelling of 12135667 in words is "twelve million, one hundred thirty-five thousand, six hundred sixty-seven".