12280539 has 8 divisors (see below), whose sum is σ = 16394320. Its totient is φ = 8176896.

The previous prime is 12280531. The next prime is 12280547. The reversal of 12280539 is 93508221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12280531) and next prime (12280547).

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

It is not a de Polignac number, because 12280539 - 2³ = 12280531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12280531) 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, 999 + ... + 5055.

It is an arithmetic number, because the mean of its divisors is an integer number (2049290).

Almost surely, 2^12280539 is an apocalyptic number.

12280539 is a deficient number, since it is larger than the sum of its proper divisors (4113781).

12280539 is a wasteful number, since it uses less digits than its factorization.

12280539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5069.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 12280539 is about 3504.3599986303. The cubic root of 12280539 is about 230.7132176960.

The spelling of 12280539 in words is "twelve million, two hundred eighty thousand, five hundred thirty-nine".