6988312 has 8 divisors (see below), whose sum is σ = 13103100. Its totient is φ = 3494152.

The previous prime is 6988307. The next prime is 6988313. The reversal of 6988312 is 2138896.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6988313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436762 + ... + 436777.

Almost surely, 2^6988312 is an apocalyptic number.

It is an amenable number.

6988312 is a deficient number, since it is larger than the sum of its proper divisors (6114788).

6988312 is a wasteful number, since it uses less digits than its factorization.

6988312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873545 (or 873541 counting only the distinct ones).

The product of its digits is 20736, while the sum is 37.

The square root of 6988312 is about 2643.5415638874. The cubic root of 6988312 is about 191.1865906809.

The spelling of 6988312 in words is "six million, nine hundred eighty-eight thousand, three hundred twelve".