7988513 has 8 divisors (see below), whose sum is σ = 8684928. Its totient is φ = 7303824.

The previous prime is 7988507. The next prime is 7988527. The reversal of 7988513 is 3158897.

It is a happy number.

7988513 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 7988513 - 2⁸ = 7988257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7988503) 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, 1481 + ... + 4262.

It is an arithmetic number, because the mean of its divisors is an integer number (1085616).

Almost surely, 2^7988513 is an apocalyptic number.

It is an amenable number.

7988513 is a deficient number, since it is larger than the sum of its proper divisors (696415).

7988513 is a wasteful number, since it uses less digits than its factorization.

7988513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5863.

The product of its digits is 60480, while the sum is 41.

The square root of 7988513 is about 2826.3957613894. The cubic root of 7988513 is about 199.9042291470.

The spelling of 7988513 in words is "seven million, nine hundred eighty-eight thousand, five hundred thirteen".