12697143 has 8 divisors (see below), whose sum is σ = 17168256. Its totient is φ = 8345400.

The previous prime is 12697141. The next prime is 12697151. The reversal of 12697143 is 34179621.

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

It is not a de Polignac number, because 12697143 - 2¹ = 12697141 is a prime.

It is a super-2 number, since 2×12697143² = 322434880724898, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12697141) 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, 29593 + ... + 30018.

It is an arithmetic number, because the mean of its divisors is an integer number (2146032).

Almost surely, 2^12697143 is an apocalyptic number.

12697143 is a deficient number, since it is larger than the sum of its proper divisors (4471113).

12697143 is an equidigital number, since it uses as much as digits as its factorization.

12697143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59685.

The product of its digits is 9072, while the sum is 33.

The square root of 12697143 is about 3563.3050669287. The cubic root of 12697143 is about 233.2931588429.

The spelling of 12697143 in words is "twelve million, six hundred ninety-seven thousand, one hundred forty-three".