12870143 has 8 divisors (see below), whose sum is σ = 15120336. Its totient is φ = 10800000.

The previous prime is 12870107. The next prime is 12870157. The reversal of 12870143 is 34107821.

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 12870143 - 2⁶ = 12870079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12870103) 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, 44858 + ... + 45143.

It is an arithmetic number, because the mean of its divisors is an integer number (1890042).

Almost surely, 2^12870143 is an apocalyptic number.

12870143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12870143 is a deficient number, since it is larger than the sum of its proper divisors (2250193).

12870143 is a wasteful number, since it uses less digits than its factorization.

12870143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90025.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 12870143 is about 3587.4981533096. The cubic root of 12870143 is about 234.3479312857.

Adding to 12870143 its reverse (34107821), we get a palindrome (46977964).

The spelling of 12870143 in words is "twelve million, eight hundred seventy thousand, one hundred forty-three".