6857013 has 8 divisors (see below), whose sum is σ = 9540288. Its totient is φ = 4372544.

The previous prime is 6857003. The next prime is 6857023. The reversal of 6857013 is 3107586.

It is an interprime number because it is at equal distance from previous prime (6857003) and next prime (6857023).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6857013 - 2⁸ = 6856757 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6857003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49620 + ... + 49757.

It is an arithmetic number, because the mean of its divisors is an integer number (1192536).

Almost surely, 2^6857013 is an apocalyptic number.

It is an amenable number.

6857013 is a deficient number, since it is larger than the sum of its proper divisors (2683275).

6857013 is a wasteful number, since it uses less digits than its factorization.

6857013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99403.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 6857013 is about 2618.5898877067. The cubic root of 6857013 is about 189.9816510443.

The spelling of 6857013 in words is "six million, eight hundred fifty-seven thousand, thirteen".