6981247 has 8 divisors (see below), whose sum is σ = 8592416. Its totient is φ = 5523552.

The previous prime is 6981229. The next prime is 6981251. The reversal of 6981247 is 7421896.

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 6981247 - 2¹⁵ = 6948479 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 38268 + ... + 38449.

It is an arithmetic number, because the mean of its divisors is an integer number (1074052).

Almost surely, 2^6981247 is an apocalyptic number.

6981247 is a deficient number, since it is larger than the sum of its proper divisors (1611169).

6981247 is a wasteful number, since it uses less digits than its factorization.

6981247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76737.

The product of its digits is 24192, while the sum is 37.

The square root of 6981247 is about 2642.2049504155. The cubic root of 6981247 is about 191.1221407487.

The spelling of 6981247 in words is "six million, nine hundred eighty-one thousand, two hundred forty-seven".