8132691 has 16 divisors (see below), whose sum is σ = 12628224. Its totient is φ = 4558944.

The previous prime is 8132689. The next prime is 8132693. The reversal of 8132691 is 1962318.

It is an interprime number because it is at equal distance from previous prime (8132689) and next prime (8132693).

It is not a de Polignac number, because 8132691 - 2¹ = 8132689 is a prime.

It is a super-2 number, since 2×8132691² = 132281325802962, which contains 22 as substring.

8132691 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8132693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2541 + ... + 4766.

It is an arithmetic number, because the mean of its divisors is an integer number (789264).

Almost surely, 2^8132691 is an apocalyptic number.

8132691 is a deficient number, since it is larger than the sum of its proper divisors (4495533).

8132691 is a wasteful number, since it uses less digits than its factorization.

8132691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7370.

The product of its digits is 2592, while the sum is 30.

The square root of 8132691 is about 2851.7873342870. The cubic root of 8132691 is about 201.0997005443.

The spelling of 8132691 in words is "eight million, one hundred thirty-two thousand, six hundred ninety-one".