12047846 has 4 divisors (see below), whose sum is σ = 18071772. Its totient is φ = 6023922.

The previous prime is 12047821. The next prime is 12047851. The reversal of 12047846 is 64874021.

12047846 = 1734² + 1735² + ... + 1737².

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64874021 = 137 ⋅473533.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3011960 + ... + 3011963.

It is an arithmetic number, because the mean of its divisors is an integer number (4517943).

Almost surely, 2^12047846 is an apocalyptic number.

12047846 is a deficient number, since it is larger than the sum of its proper divisors (6023926).

12047846 is an equidigital number, since it uses as much as digits as its factorization.

12047846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6023925.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 12047846 is about 3471.0007202535. Note that the first 3 decimals coincide. The cubic root of 12047846 is about 229.2467227667.

The spelling of 12047846 in words is "twelve million, forty-seven thousand, eight hundred forty-six".