6748013 has 4 divisors (see below), whose sum is σ = 6875388. Its totient is φ = 6620640.

The previous prime is 6748009. The next prime is 6748043. The reversal of 6748013 is 3108476.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5822569 + 925444 = 2413^2 + 962^2 .

It is a cyclic number.

It is not a de Polignac number, because 6748013 - 2² = 6748009 is a prime.

It is a Duffinian number.

It is a plaindrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6748043) 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, 63608 + ... + 63713.

It is an arithmetic number, because the mean of its divisors is an integer number (1718847).

Almost surely, 2^6748013 is an apocalyptic number.

It is an amenable number.

6748013 is a deficient number, since it is larger than the sum of its proper divisors (127375).

6748013 is a wasteful number, since it uses less digits than its factorization.

6748013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127374.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 6748013 is about 2597.6937848792. The cubic root of 6748013 is about 188.9696114930.

The spelling of 6748013 in words is "six million, seven hundred forty-eight thousand, thirteen".