12139017 has 8 divisors (see below), whose sum is σ = 17656800. Its totient is φ = 7356960.

The previous prime is 12139013. The next prime is 12139021. The reversal of 12139017 is 71093121.

It is an interprime number because it is at equal distance from previous prime (12139013) and next prime (12139021).

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

It is not a de Polignac number, because 12139017 - 2² = 12139013 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12139013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183892 + ... + 183957.

It is an arithmetic number, because the mean of its divisors is an integer number (2207100).

Almost surely, 2^12139017 is an apocalyptic number.

It is an amenable number.

12139017 is a deficient number, since it is larger than the sum of its proper divisors (5517783).

12139017 is a wasteful number, since it uses less digits than its factorization.

12139017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367863.

The product of its (nonzero) digits is 378, while the sum is 24.

The square root of 12139017 is about 3484.1092118359. The cubic root of 12139017 is about 229.8235382467.

The spelling of 12139017 in words is "twelve million, one hundred thirty-nine thousand, seventeen".