12731010 has 64 divisors (see below), whose sum is σ = 31933440. Its totient is φ = 3245760.

The previous prime is 12731003. The next prime is 12731023. The reversal of 12731010 is 1013721.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91521 + ... + 91659.

It is an arithmetic number, because the mean of its divisors is an integer number (498960).

Almost surely, 2^12731010 is an apocalyptic number.

12731010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12731010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15966720).

12731010 is an abundant number, since it is smaller than the sum of its proper divisors (19202430).

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

12731010 is a wasteful number, since it uses less digits than its factorization.

12731010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263.

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 12731010 is about 3568.0540915182. The cubic root of 12731010 is about 233.5003950980.

Adding to 12731010 its reverse (1013721), we get a palindrome (13744731).

The spelling of 12731010 in words is "twelve million, seven hundred thirty-one thousand, ten".