12127013 has 8 divisors (see below), whose sum is σ = 12418560. Its totient is φ = 11838960.

The previous prime is 12127007. The next prime is 12127019. The reversal of 12127013 is 31072121.

It is an interprime number because it is at equal distance from previous prime (12127007) and next prime (12127019).

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 12127013 - 2⁸ = 12126757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12126982 and 12127000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12127019) 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, 6956 + ... + 8522.

It is an arithmetic number, because the mean of its divisors is an integer number (1552320).

Almost surely, 2^12127013 is an apocalyptic number.

It is an amenable number.

12127013 is a deficient number, since it is larger than the sum of its proper divisors (291547).

12127013 is a wasteful number, since it uses less digits than its factorization.

12127013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 12127013 is about 3482.3861072546. The cubic root of 12127013 is about 229.7477574916.

Adding to 12127013 its reverse (31072121), we get a palindrome (43199134).

The spelling of 12127013 in words is "twelve million, one hundred twenty-seven thousand, thirteen".