12461031 has 24 divisors (see below), whose sum is σ = 19768320. Its totient is φ = 7501200.

The previous prime is 12461023. The next prime is 12461041. The reversal of 12461031 is 13016421.

It is a happy number.

12461031 is a `hidden beast` number, since 1 + 24 + 610 + 31 = 666.

It is not a de Polignac number, because 12461031 - 2³ = 12461023 is a prime.

It is a super-2 number, since 2×12461031² = 310554587165922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12460995 and 12461013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12461011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18580 + ... + 19238.

It is an arithmetic number, because the mean of its divisors is an integer number (823680).

Almost surely, 2^12461031 is an apocalyptic number.

12461031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12461031 is a deficient number, since it is larger than the sum of its proper divisors (7307289).

12461031 is a wasteful number, since it uses less digits than its factorization.

12461031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867 (or 864 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 12461031 is about 3530.0185551920. The cubic root of 12461031 is about 231.8380198604.

Adding to 12461031 its reverse (13016421), we get a palindrome (25477452).

The spelling of 12461031 in words is "twelve million, four hundred sixty-one thousand, thirty-one".