12735199 has 4 divisors (see below), whose sum is σ = 12914640. Its totient is φ = 12555760.

The previous prime is 12735157. The next prime is 12735221. The reversal of 12735199 is 99153721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99153721 = 383 ⋅258887.

It is a cyclic number.

It is not a de Polignac number, because 12735199 - 2¹¹ = 12733151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12735299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89614 + ... + 89755.

It is an arithmetic number, because the mean of its divisors is an integer number (3228660).

Almost surely, 2^12735199 is an apocalyptic number.

12735199 is a deficient number, since it is larger than the sum of its proper divisors (179441).

12735199 is an equidigital number, since it uses as much as digits as its factorization.

12735199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179440.

The product of its digits is 17010, while the sum is 37.

The square root of 12735199 is about 3568.6410578818. The cubic root of 12735199 is about 233.5260025424.

The spelling of 12735199 in words is "twelve million, seven hundred thirty-five thousand, one hundred ninety-nine".