12993671 has 8 divisors (see below), whose sum is σ = 13269984. Its totient is φ = 12719520.

The previous prime is 12993649. The next prime is 12993677. The reversal of 12993671 is 17639921.

It is a happy number.

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 12993671 - 2¹⁴ = 12977287 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 (12993677) 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, 17510 + ... + 18236.

It is an arithmetic number, because the mean of its divisors is an integer number (1658748).

Almost surely, 2^12993671 is an apocalyptic number.

12993671 is a deficient number, since it is larger than the sum of its proper divisors (276313).

12993671 is an equidigital number, since it uses as much as digits as its factorization.

12993671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081.

The product of its digits is 20412, while the sum is 38.

The square root of 12993671 is about 3604.6734942294. The cubic root of 12993671 is about 235.0953046364.

The spelling of 12993671 in words is "twelve million, nine hundred ninety-three thousand, six hundred seventy-one".