12477142 has 8 divisors (see below), whose sum is σ = 18995256. Its totient is φ = 6145392.

The previous prime is 12477139. The next prime is 12477151. The reversal of 12477142 is 24177421.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12477142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46423 + ... + 46690.

It is an arithmetic number, because the mean of its divisors is an integer number (2374407).

Almost surely, 2^12477142 is an apocalyptic number.

12477142 is a deficient number, since it is larger than the sum of its proper divisors (6518114).

12477142 is an equidigital number, since it uses as much as digits as its factorization.

12477142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93182.

The product of its digits is 3136, while the sum is 28.

The square root of 12477142 is about 3532.2998173994. The cubic root of 12477142 is about 231.9378921144.

The spelling of 12477142 in words is "twelve million, four hundred seventy-seven thousand, one hundred forty-two".