12735667 has 4 divisors (see below), whose sum is σ = 14555056. Its totient is φ = 10916280.

The previous prime is 12735649. The next prime is 12735677. The reversal of 12735667 is 76653721.

12735667 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12735667 - 2⁷ = 12735539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12735607) 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 3 ways as a sum of consecutive naturals, for example, 909684 + ... + 909697.

It is an arithmetic number, because the mean of its divisors is an integer number (3638764).

Almost surely, 2^12735667 is an apocalyptic number.

12735667 is a deficient number, since it is larger than the sum of its proper divisors (1819389).

12735667 is an equidigital number, since it uses as much as digits as its factorization.

12735667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1819388.

The product of its digits is 52920, while the sum is 37.

The square root of 12735667 is about 3568.7066284580. The cubic root of 12735667 is about 233.5288630874.

The spelling of 12735667 in words is "twelve million, seven hundred thirty-five thousand, six hundred sixty-seven".