12230279 has 4 divisors (see below), whose sum is σ = 12239184. Its totient is φ = 12221376.

The previous prime is 12230233. The next prime is 12230353. The reversal of 12230279 is 97203221.

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 a de Polignac number, because none of the positive numbers 2^k-12230279 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 (12230209) 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, 1907 + ... + 5300.

It is an arithmetic number, because the mean of its divisors is an integer number (3059796).

Almost surely, 2^12230279 is an apocalyptic number.

12230279 is a deficient number, since it is larger than the sum of its proper divisors (8905).

12230279 is an equidigital number, since it uses as much as digits as its factorization.

12230279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8904.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 12230279 is about 3497.1815795008. The cubic root of 12230279 is about 230.3980441960.

The spelling of 12230279 in words is "twelve million, two hundred thirty thousand, two hundred seventy-nine".