8712131 has 8 divisors (see below), whose sum is σ = 9167424. Its totient is φ = 8268480.

The previous prime is 8712113. The next prime is 8712133. The reversal of 8712131 is 1312178.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8712131 - 2¹⁴ = 8695747 is a prime.

It is a super-2 number, since 2×8712131² = 151802453122322, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8712097 and 8712106.

It is not an unprimeable number, because it can be changed into a prime (8712133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1355 + ... + 4388.

It is an arithmetic number, because the mean of its divisors is an integer number (1145928).

Almost surely, 2^8712131 is an apocalyptic number.

8712131 is a deficient number, since it is larger than the sum of its proper divisors (455293).

8712131 is a wasteful number, since it uses less digits than its factorization.

8712131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5821.

The product of its digits is 336, while the sum is 23.

The square root of 8712131 is about 2951.6319214970. The cubic root of 8712131 is about 205.7665609038.

The spelling of 8712131 in words is "eight million, seven hundred twelve thousand, one hundred thirty-one".