12271299 has 4 divisors (see below), whose sum is σ = 16361736. Its totient is φ = 8180864.

The previous prime is 12271291. The next prime is 12271313. The reversal of 12271299 is 99217221.

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 12271299 - 2³ = 12271291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12271291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2045214 + ... + 2045219.

It is an arithmetic number, because the mean of its divisors is an integer number (4090434).

Almost surely, 2^12271299 is an apocalyptic number.

12271299 is a deficient number, since it is larger than the sum of its proper divisors (4090437).

12271299 is an equidigital number, since it uses as much as digits as its factorization.

12271299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4090436.

The product of its digits is 4536, while the sum is 33.

The square root of 12271299 is about 3503.0413928471. The cubic root of 12271299 is about 230.6553395357.

The spelling of 12271299 in words is "twelve million, two hundred seventy-one thousand, two hundred ninety-nine".