12994671 has 4 divisors (see below), whose sum is σ = 17326232. Its totient is φ = 8663112.

The previous prime is 12994649. The next prime is 12994679. The reversal of 12994671 is 17649921.

12994671 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-12994671 is a prime.

It is a super-2 number, since 2×12994671² = 337722948796482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12994679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2165776 + ... + 2165781.

It is an arithmetic number, because the mean of its divisors is an integer number (4331558).

Almost surely, 2^12994671 is an apocalyptic number.

12994671 is a deficient number, since it is larger than the sum of its proper divisors (4331561).

12994671 is an equidigital number, since it uses as much as digits as its factorization.

12994671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4331560.

The product of its digits is 27216, while the sum is 39.

The square root of 12994671 is about 3604.8122003788. The cubic root of 12994671 is about 235.1013355026.

The spelling of 12994671 in words is "twelve million, nine hundred ninety-four thousand, six hundred seventy-one".