12284279 has 8 divisors (see below), whose sum is σ = 14778240. Its totient is φ = 9975096.

The previous prime is 12284243. The next prime is 12284281. The reversal of 12284279 is 97248221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12284279 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 (12284219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46049 + ... + 46314.

It is an arithmetic number, because the mean of its divisors is an integer number (1847280).

Almost surely, 2^12284279 is an apocalyptic number.

12284279 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12284279 is a deficient number, since it is larger than the sum of its proper divisors (2493961).

12284279 is an equidigital number, since it uses as much as digits as its factorization.

12284279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92389.

The product of its digits is 16128, while the sum is 35.

The square root of 12284279 is about 3504.8935789835. The cubic root of 12284279 is about 230.7366363167.

The spelling of 12284279 in words is "twelve million, two hundred eighty-four thousand, two hundred seventy-nine".