3112947 has 12 divisors (see below), whose sum is σ = 4651920. Its totient is φ = 2003568.

The previous prime is 3112943. The next prime is 3112973. The reversal of 3112947 is 7492113.

It is not a de Polignac number, because 3112947 - 2² = 3112943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3112947.

It is not an unprimeable number, because it can be changed into a prime (3112943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5703 + ... + 6224.

It is an arithmetic number, because the mean of its divisors is an integer number (387660).

Almost surely, 2^3112947 is an apocalyptic number.

3112947 is a deficient number, since it is larger than the sum of its proper divisors (1538973).

3112947 is a wasteful number, since it uses less digits than its factorization.

3112947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11962 (or 11959 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 3112947 is about 1764.3545562046. The cubic root of 3112947 is about 146.0126810778.

The spelling of 3112947 in words is "three million, one hundred twelve thousand, nine hundred forty-seven".