6897913 has 4 divisors (see below), whose sum is σ = 7525008. Its totient is φ = 6270820.

The previous prime is 6897901. The next prime is 6897929. The reversal of 6897913 is 3197986.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6897913 - 2¹³ = 6889721 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6897913.

It is not an unprimeable number, because it can be changed into a prime (6897413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313531 + ... + 313552.

It is an arithmetic number, because the mean of its divisors is an integer number (1881252).

Almost surely, 2^6897913 is an apocalyptic number.

It is an amenable number.

6897913 is a deficient number, since it is larger than the sum of its proper divisors (627095).

6897913 is a wasteful number, since it uses less digits than its factorization.

6897913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627094.

The product of its digits is 81648, while the sum is 43.

The square root of 6897913 is about 2626.3878236087. The cubic root of 6897913 is about 190.3586301293.

The spelling of 6897913 in words is "six million, eight hundred ninety-seven thousand, nine hundred thirteen".