8132811 has 4 divisors (see below), whose sum is σ = 10843752. Its totient is φ = 5421872.

The previous prime is 8132759. The next prime is 8132843. The reversal of 8132811 is 1182318.

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 8132811 - 2¹⁷ = 8001739 is a prime.

It is a super-2 number, since 2×8132811² = 132285229523442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8132011) 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, 1355466 + ... + 1355471.

It is an arithmetic number, because the mean of its divisors is an integer number (2710938).

Almost surely, 2^8132811 is an apocalyptic number.

8132811 is a deficient number, since it is larger than the sum of its proper divisors (2710941).

8132811 is a wasteful number, since it uses less digits than its factorization.

8132811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2710940.

The product of its digits is 384, while the sum is 24.

The square root of 8132811 is about 2851.8083736464. The cubic root of 8132811 is about 201.1006896325.

The spelling of 8132811 in words is "eight million, one hundred thirty-two thousand, eight hundred eleven".