12147079 has 8 divisors (see below), whose sum is σ = 13966848. Its totient is φ = 10348440.

The previous prime is 12147067. The next prime is 12147101. The reversal of 12147079 is 97074121.

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 12147079 - 2⁷ = 12146951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12147079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12147049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4027 + ... + 6364.

It is an arithmetic number, because the mean of its divisors is an integer number (1745856).

Almost surely, 2^12147079 is an apocalyptic number.

12147079 is a deficient number, since it is larger than the sum of its proper divisors (1819769).

12147079 is a wasteful number, since it uses less digits than its factorization.

12147079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10565.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 12147079 is about 3485.2659869800. The cubic root of 12147079 is about 229.8744052798.

The spelling of 12147079 in words is "twelve million, one hundred forty-seven thousand, seventy-nine".