12976143 has 8 divisors (see below), whose sum is σ = 17318400. Its totient is φ = 8642328.

The previous prime is 12976141. The next prime is 12976181. The reversal of 12976143 is 34167921.

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

It is not a de Polignac number, because 12976143 - 2¹ = 12976141 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12976141) 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, 4048 + ... + 6506.

It is an arithmetic number, because the mean of its divisors is an integer number (2164800).

Almost surely, 2^12976143 is an apocalyptic number.

12976143 is a deficient number, since it is larger than the sum of its proper divisors (4342257).

12976143 is a wasteful number, since it uses less digits than its factorization.

12976143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4221.

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

The square root of 12976143 is about 3602.2413855820. The cubic root of 12976143 is about 234.9895453324.

The spelling of 12976143 in words is "twelve million, nine hundred seventy-six thousand, one hundred forty-three".