12579143 has 2 divisors, whose sum is σ = 12579144. Its totient is φ = 12579142.

The previous prime is 12579139. The next prime is 12579163. The reversal of 12579143 is 34197521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12579143 - 2² = 12579139 is a prime.

It is a super-2 number, since 2×12579143² = 316469677228898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12579113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6289571 + 6289572.

It is an arithmetic number, because the mean of its divisors is an integer number (6289572).

Almost surely, 2^12579143 is an apocalyptic number.

12579143 is a deficient number, since it is larger than the sum of its proper divisors (1).

12579143 is an equidigital number, since it uses as much as digits as its factorization.

12579143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 32.

The square root of 12579143 is about 3546.7087560159. The cubic root of 12579143 is about 232.5682106104.

The spelling of 12579143 in words is "twelve million, five hundred seventy-nine thousand, one hundred forty-three".