8131696 has 40 divisors (see below), whose sum is σ = 17320320. Its totient is φ = 3681216.

The previous prime is 8131693. The next prime is 8131699. The reversal of 8131696 is 6961318.

It is an interprime number because it is at equal distance from previous prime (8131693) and next prime (8131699).

It is a super-2 number, since 2×8131696² = 132248959672832, which contains 22 as substring.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8131691) 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, 6411 + ... + 7573.

It is an arithmetic number, because the mean of its divisors is an integer number (433008).

Almost surely, 2^8131696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8131696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8660160).

8131696 is an abundant number, since it is smaller than the sum of its proper divisors (9188624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8131696 is a wasteful number, since it uses less digits than its factorization.

8131696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213 (or 1207 counting only the distinct ones).

The product of its digits is 7776, while the sum is 34.

The square root of 8131696 is about 2851.6128769523. The cubic root of 8131696 is about 201.0914989801.

The spelling of 8131696 in words is "eight million, one hundred thirty-one thousand, six hundred ninety-six".