12477143 has 8 divisors (see below), whose sum is σ = 14501760. Its totient is φ = 10513080.

The previous prime is 12477139. The next prime is 12477151. The reversal of 12477143 is 34177421.

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 12477143 - 2² = 12477139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12477173) 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, 14693 + ... + 15518.

It is an arithmetic number, because the mean of its divisors is an integer number (1812720).

Almost surely, 2^12477143 is an apocalyptic number.

12477143 is a deficient number, since it is larger than the sum of its proper divisors (2024617).

12477143 is an equidigital number, since it uses as much as digits as its factorization.

12477143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30277.

The product of its digits is 4704, while the sum is 29.

The square root of 12477143 is about 3532.2999589503. The cubic root of 12477143 is about 231.9378983107.

The spelling of 12477143 in words is "twelve million, four hundred seventy-seven thousand, one hundred forty-three".