6980013 has 40 divisors (see below), whose sum is σ = 11421432. Its totient is φ = 4230144.

The previous prime is 6979967. The next prime is 6980021. The reversal of 6980013 is 3100896.

It can be written as a sum of positive squares in 4 ways, for example, as 3674889 + 3305124 = 1917^2 + 1818^2 .

It is not a de Polignac number, because 6980013 - 2²¹ = 4882861 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

6980013 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6970013) 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 39 ways as a sum of consecutive naturals, for example, 50881 + ... + 51017.

Almost surely, 2^6980013 is an apocalyptic number.

It is an amenable number.

6980013 is a deficient number, since it is larger than the sum of its proper divisors (4441419).

6980013 is a wasteful number, since it uses less digits than its factorization.

6980013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 6980013 is about 2641.9714230097. The cubic root of 6980013 is about 191.1108792162.

The spelling of 6980013 in words is "six million, nine hundred eighty thousand, thirteen".