6899013 has 48 divisors (see below), whose sum is σ = 11793600. Its totient is φ = 3991680.

The previous prime is 6898993. The next prime is 6899023. The reversal of 6899013 is 3109986.

It is not a de Polignac number, because 6899013 - 2⁵ = 6898981 is a prime.

6899013 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6899023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 77473 + ... + 77561.

It is an arithmetic number, because the mean of its divisors is an integer number (245700).

Almost surely, 2^6899013 is an apocalyptic number.

It is an amenable number.

6899013 is a deficient number, since it is larger than the sum of its proper divisors (4894587).

6899013 is a wasteful number, since it uses less digits than its factorization.

6899013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 6899013 is about 2626.5972283546. The cubic root of 6899013 is about 190.3687483280.

The spelling of 6899013 in words is "six million, eight hundred ninety-nine thousand, thirteen".