12616143 has 4 divisors (see below), whose sum is σ = 16821528. Its totient is φ = 8410760.

The previous prime is 12616141. The next prime is 12616181. The reversal of 12616143 is 34161621.

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

It is a cyclic number.

It is not a de Polignac number, because 12616143 - 2¹ = 12616141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12616141) 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, 2102688 + ... + 2102693.

It is an arithmetic number, because the mean of its divisors is an integer number (4205382).

Almost surely, 2^12616143 is an apocalyptic number.

12616143 is a deficient number, since it is larger than the sum of its proper divisors (4205385).

12616143 is an equidigital number, since it uses as much as digits as its factorization.

12616143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4205384.

The product of its digits is 864, while the sum is 24.

The square root of 12616143 is about 3551.9210295275. The cubic root of 12616143 is about 232.7960109908.

Adding to 12616143 its reverse (34161621), we get a palindrome (46777764).

The spelling of 12616143 in words is "twelve million, six hundred sixteen thousand, one hundred forty-three".