12272999 has 4 divisors (see below), whose sum is σ = 12282336. Its totient is φ = 12263664.

The previous prime is 12272987. The next prime is 12273013. The reversal of 12272999 is 99927221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12272999 - 2⁴ = 12272983 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12272959) 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, 2294 + ... + 5459.

It is an arithmetic number, because the mean of its divisors is an integer number (3070584).

Almost surely, 2^12272999 is an apocalyptic number.

12272999 is a deficient number, since it is larger than the sum of its proper divisors (9337).

12272999 is an equidigital number, since it uses as much as digits as its factorization.

12272999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9336.

The product of its digits is 40824, while the sum is 41.

The square root of 12272999 is about 3503.2840307346. The cubic root of 12272999 is about 230.6659902954.

The spelling of 12272999 in words is "twelve million, two hundred seventy-two thousand, nine hundred ninety-nine".