12142863 has 6 divisors (see below), whose sum is σ = 17539704. Its totient is φ = 8095236.

The previous prime is 12142829. The next prime is 12142891. The reversal of 12142863 is 36824121.

12142863 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12142863 - 2¹² = 12138767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12142763) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 674595 + ... + 674612.

It is an arithmetic number, because the mean of its divisors is an integer number (2923284).

Almost surely, 2^12142863 is an apocalyptic number.

12142863 is a deficient number, since it is larger than the sum of its proper divisors (5396841).

12142863 is a wasteful number, since it uses less digits than its factorization.

12142863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349213 (or 1349210 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 12142863 is about 3484.6611026038. The cubic root of 12142863 is about 229.8478073177.

Adding to 12142863 its reverse (36824121), we get a palindrome (48966984).

The spelling of 12142863 in words is "twelve million, one hundred forty-two thousand, eight hundred sixty-three".