7987612 has 6 divisors (see below), whose sum is σ = 13978328. Its totient is φ = 3993804.

The previous prime is 7987607. The next prime is 7987613. The reversal of 7987612 is 2167897.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7987613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 998448 + ... + 998455.

Almost surely, 2^7987612 is an apocalyptic number.

It is an amenable number.

7987612 is a deficient number, since it is larger than the sum of its proper divisors (5990716).

7987612 is a wasteful number, since it uses less digits than its factorization.

7987612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1996907 (or 1996905 counting only the distinct ones).

The product of its digits is 42336, while the sum is 40.

The square root of 7987612 is about 2826.2363666190. The cubic root of 7987612 is about 199.8967133352.

The spelling of 7987612 in words is "seven million, nine hundred eighty-seven thousand, six hundred twelve".