12282739 has 8 divisors (see below), whose sum is σ = 14380128. Its totient is φ = 10271040.

The previous prime is 12282737. The next prime is 12282749. The reversal of 12282739 is 93728221.

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

It is a cyclic number.

It is not a de Polignac number, because 12282739 - 2¹ = 12282737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12282731) 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, 21112 + ... + 21685.

It is an arithmetic number, because the mean of its divisors is an integer number (1797516).

Almost surely, 2^12282739 is an apocalyptic number.

12282739 is a deficient number, since it is larger than the sum of its proper divisors (2097389).

12282739 is an equidigital number, since it uses as much as digits as its factorization.

12282739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42845.

The product of its digits is 12096, while the sum is 34.

The square root of 12282739 is about 3504.6738792647. The cubic root of 12282739 is about 230.7269939310.

The spelling of 12282739 in words is "twelve million, two hundred eighty-two thousand, seven hundred thirty-nine".