7869013 has 4 divisors (see below), whose sum is σ = 8211168. Its totient is φ = 7526860.

The previous prime is 7868999. The next prime is 7869023. The reversal of 7869013 is 3109687.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7869013 - 2¹³ = 7860821 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7869013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7869023) 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, 171043 + ... + 171088.

It is an arithmetic number, because the mean of its divisors is an integer number (2052792).

Almost surely, 2^7869013 is an apocalyptic number.

It is an amenable number.

7869013 is a deficient number, since it is larger than the sum of its proper divisors (342155).

7869013 is a wasteful number, since it uses less digits than its factorization.

7869013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342154.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 7869013 is about 2805.1761085536. The cubic root of 7869013 is about 198.9024293787.

The spelling of 7869013 in words is "seven million, eight hundred sixty-nine thousand, thirteen".