2113347 has 4 divisors (see below), whose sum is σ = 2817800. Its totient is φ = 1408896.

The previous prime is 2113343. The next prime is 2113361. The reversal of 2113347 is 7433112.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2113347 - 2² = 2113343 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

2113347 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2113343) 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, 352222 + ... + 352227.

It is an arithmetic number, because the mean of its divisors is an integer number (704450).

2^2113347 is an apocalyptic number.

2113347 is a deficient number, since it is larger than the sum of its proper divisors (704453).

2113347 is an equidigital number, since it uses as much as digits as its factorization.

2113347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704452.

The product of its digits is 504, while the sum is 21.

The square root of 2113347 is about 1453.7355330321. The cubic root of 2113347 is about 128.3286435947.

Adding to 2113347 its reverse (7433112), we get a palindrome (9546459).

The spelling of 2113347 in words is "two million, one hundred thirteen thousand, three hundred forty-seven".