12516671 has 8 divisors (see below), whose sum is σ = 12705984. Its totient is φ = 12328960.

The previous prime is 12516659. The next prime is 12516683. The reversal of 12516671 is 17661521.

It is an interprime number because it is at equal distance from previous prime (12516659) and next prime (12516683).

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 12516671 - 2¹⁰ = 12515647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12516631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28826 + ... + 29256.

It is an arithmetic number, because the mean of its divisors is an integer number (1588248).

Almost surely, 2^12516671 is an apocalyptic number.

12516671 is a deficient number, since it is larger than the sum of its proper divisors (189313).

12516671 is a wasteful number, since it uses less digits than its factorization.

12516671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801.

The product of its digits is 2520, while the sum is 29.

The square root of 12516671 is about 3537.8907558035. The cubic root of 12516671 is about 232.1825690845.

The spelling of 12516671 in words is "twelve million, five hundred sixteen thousand, six hundred seventy-one".