12476143 has 4 divisors (see below), whose sum is σ = 13018608. Its totient is φ = 11933680.

The previous prime is 12476111. The next prime is 12476161. The reversal of 12476143 is 34167421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34167421 = 79 ⋅432499.

It is a cyclic number.

It is not a de Polignac number, because 12476143 - 2⁵ = 12476111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12476543) 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, 271198 + ... + 271243.

It is an arithmetic number, because the mean of its divisors is an integer number (3254652).

Almost surely, 2^12476143 is an apocalyptic number.

12476143 is a deficient number, since it is larger than the sum of its proper divisors (542465).

12476143 is an equidigital number, since it uses as much as digits as its factorization.

12476143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542464.

The product of its digits is 4032, while the sum is 28.

The square root of 12476143 is about 3532.1584052814. The cubic root of 12476143 is about 231.9317018042.

It can be divided in two parts, 124 and 76143, that added together give a palindrome (76267).

The spelling of 12476143 in words is "twelve million, four hundred seventy-six thousand, one hundred forty-three".