11712031 has 8 divisors (see below), whose sum is σ = 12612240. Its totient is φ = 10835328.

The previous prime is 11712011. The next prime is 11712049. The reversal of 11712031 is 13021711.

11712031 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 11712031 - 2⁹ = 11711519 is a prime.

It is a super-2 number, since 2×11712031² = 274343340289922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11711996 and 11712014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11712011) 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, 4836 + ... + 6841.

It is an arithmetic number, because the mean of its divisors is an integer number (1576530).

Almost surely, 2^11712031 is an apocalyptic number.

11712031 is a deficient number, since it is larger than the sum of its proper divisors (900209).

11712031 is a wasteful number, since it uses less digits than its factorization.

11712031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11753.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 11712031 is about 3422.2844709346. The cubic root of 11712031 is about 227.0966551977.

Adding to 11712031 its reverse (13021711), we get a palindrome (24733742).

The spelling of 11712031 in words is "eleven million, seven hundred twelve thousand, thirty-one".