12489671 has 8 divisors (see below), whose sum is σ = 12781824. Its totient is φ = 12200760.

The previous prime is 12489661. The next prime is 12489703. The reversal of 12489671 is 17698421.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12489671 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 (12489601) 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, 8066 + ... + 9488.

It is an arithmetic number, because the mean of its divisors is an integer number (1597728).

Almost surely, 2^12489671 is an apocalyptic number.

12489671 is a deficient number, since it is larger than the sum of its proper divisors (292153).

12489671 is a wasteful number, since it uses less digits than its factorization.

12489671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621.

The product of its digits is 24192, while the sum is 38.

The square root of 12489671 is about 3534.0728628595. The cubic root of 12489671 is about 232.0155001039.

The spelling of 12489671 in words is "twelve million, four hundred eighty-nine thousand, six hundred seventy-one".