12106831 has 8 divisors (see below), whose sum is σ = 13389264. Its totient is φ = 10854720.

The previous prime is 12106823. The next prime is 12106837. The reversal of 12106831 is 13860121.

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 12106831 - 2³ = 12106823 is a prime.

It is a super-2 number, since 2×12106831² = 293150713725122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12106837) 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, 6736 + ... + 8341.

It is an arithmetic number, because the mean of its divisors is an integer number (1673658).

Almost surely, 2^12106831 is an apocalyptic number.

12106831 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12106831 is a deficient number, since it is larger than the sum of its proper divisors (1282433).

12106831 is a wasteful number, since it uses less digits than its factorization.

12106831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15161.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 12106831 is about 3479.4871748578. The cubic root of 12106831 is about 229.6202365645.

Adding to 12106831 its reverse (13860121), we get a palindrome (25966952).

The spelling of 12106831 in words is "twelve million, one hundred six thousand, eight hundred thirty-one".