6981207 has 4 divisors (see below), whose sum is σ = 9308280. Its totient is φ = 4654136.

The previous prime is 6981181. The next prime is 6981211. The reversal of 6981207 is 7021896.

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

It is a cyclic number.

It is not a de Polignac number, because 6981207 - 2¹⁴ = 6964823 is a prime.

It is a D-number.

6981207 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6981277) 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, 1163532 + ... + 1163537.

It is an arithmetic number, because the mean of its divisors is an integer number (2327070).

Almost surely, 2^6981207 is an apocalyptic number.

6981207 is a deficient number, since it is larger than the sum of its proper divisors (2327073).

6981207 is a wasteful number, since it uses less digits than its factorization.

6981207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2327072.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 6981207 is about 2642.1973809691. The cubic root of 6981207 is about 191.1217757279.

The spelling of 6981207 in words is "six million, nine hundred eighty-one thousand, two hundred seven".