6967987 has 4 divisors (see below), whose sum is σ = 7504000. Its totient is φ = 6431976.

The previous prime is 6967981. The next prime is 6967993. The reversal of 6967987 is 7897696.

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

It is an interprime number because it is at equal distance from previous prime (6967981) and next prime (6967993).

It is a cyclic number.

It is not a de Polignac number, because 6967987 - 2¹¹ = 6965939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6967981) 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, 267987 + ... + 268012.

It is an arithmetic number, because the mean of its divisors is an integer number (1876000).

Almost surely, 2^6967987 is an apocalyptic number.

6967987 is a deficient number, since it is larger than the sum of its proper divisors (536013).

6967987 is a wasteful number, since it uses less digits than its factorization.

6967987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536012.

The product of its digits is 1143072, while the sum is 52.

The square root of 6967987 is about 2639.6944898984. The cubic root of 6967987 is about 191.0010599066.

The spelling of 6967987 in words is "six million, nine hundred sixty-seven thousand, nine hundred eighty-seven".