3120347 has 4 divisors (see below), whose sum is σ = 3124056. Its totient is φ = 3116640.

The previous prime is 3120331. The next prime is 3120373. The reversal of 3120347 is 7430213.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3120347 - 2⁴ = 3120331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3120317) 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, 83 + ... + 2499.

It is an arithmetic number, because the mean of its divisors is an integer number (781014).

Almost surely, 2^3120347 is an apocalyptic number.

3120347 is a deficient number, since it is larger than the sum of its proper divisors (3709).

3120347 is a wasteful number, since it uses less digits than its factorization.

3120347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3708.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 3120347 is about 1766.4503955673. The cubic root of 3120347 is about 146.1282884424.

The spelling of 3120347 in words is "three million, one hundred twenty thousand, three hundred forty-seven".