8013911 has 4 divisors (see below), whose sum is σ = 8149800. Its totient is φ = 7878024.

The previous prime is 8013893. The next prime is 8013917. The reversal of 8013911 is 1193108.

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

It is a cyclic number.

It is not a de Polignac number, because 8013911 - 2¹⁰ = 8012887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8013917) 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, 67856 + ... + 67973.

It is an arithmetic number, because the mean of its divisors is an integer number (2037450).

Almost surely, 2^8013911 is an apocalyptic number.

8013911 is a deficient number, since it is larger than the sum of its proper divisors (135889).

8013911 is a wasteful number, since it uses less digits than its factorization.

8013911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135888.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 8013911 is about 2830.8851972484. The cubic root of 8013911 is about 200.1158578718.

The spelling of 8013911 in words is "eight million, thirteen thousand, nine hundred eleven".