12431310 has 32 divisors (see below), whose sum is σ = 30799872. Its totient is φ = 3207840.

The previous prime is 12431281. The next prime is 12431317. The reversal of 12431310 is 1313421.

It is a super-2 number, since 2×12431310² = 309074936632200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12431310.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12431317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5754 + ... + 7613.

It is an arithmetic number, because the mean of its divisors is an integer number (962496).

Almost surely, 2^12431310 is an apocalyptic number.

12431310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12431310 is an abundant number, since it is smaller than the sum of its proper divisors (18368562).

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

12431310 is a wasteful number, since it uses less digits than its factorization.

12431310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13408.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 12431310 is about 3525.8062907653. The cubic root of 12431310 is about 231.6535529615.

Adding to 12431310 its reverse (1313421), we get a palindrome (13744731).

The spelling of 12431310 in words is "twelve million, four hundred thirty-one thousand, three hundred ten".