12735289 has 8 divisors (see below), whose sum is σ = 14948288. Its totient is φ = 10620720.

The previous prime is 12735269. The next prime is 12735299. The reversal of 12735289 is 98253721.

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 12735289 - 2¹⁷ = 12604217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12735259) 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 7 ways as a sum of consecutive naturals, for example, 24327 + ... + 24844.

It is an arithmetic number, because the mean of its divisors is an integer number (1868536).

Almost surely, 2^12735289 is an apocalyptic number.

It is an amenable number.

12735289 is a deficient number, since it is larger than the sum of its proper divisors (2212999).

12735289 is an equidigital number, since it uses as much as digits as its factorization.

12735289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49215.

The product of its digits is 30240, while the sum is 37.

The square root of 12735289 is about 3568.6536677016. The cubic root of 12735289 is about 233.5265526527.

The spelling of 12735289 in words is "twelve million, seven hundred thirty-five thousand, two hundred eighty-nine".