12681010 has 16 divisors (see below), whose sum is σ = 23443416. Its totient is φ = 4935168.

The previous prime is 12681007. The next prime is 12681017. The reversal of 12681010 is 1018621.

It can be written as a sum of positive squares in 4 ways, for example, as 12680721 + 289 = 3561^2 + 17^2 .

It is not an unprimeable number, because it can be changed into a prime (12681017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16767 + ... + 17506.

Almost surely, 2^12681010 is an apocalyptic number.

12681010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12681010 is a deficient number, since it is larger than the sum of its proper divisors (10762406).

12681010 is a wasteful number, since it uses less digits than its factorization.

12681010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34317.

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 12681010 is about 3561.0405782580. The cubic root of 12681010 is about 233.1943094740.

Adding to 12681010 its reverse (1018621), we get a palindrome (13699631).

It can be divided in two parts, 1268 and 1010, that added together give a triangular number (2278 = T₆₇).

The spelling of 12681010 in words is "twelve million, six hundred eighty-one thousand, ten".