12918910 has 16 divisors (see below), whose sum is σ = 23486112. Its totient is φ = 5116000.

The previous prime is 12918907. The next prime is 12918911. The reversal of 12918910 is 1981921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12918911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5386 + ... + 7405.

It is an arithmetic number, because the mean of its divisors is an integer number (1467882).

Almost surely, 2^12918910 is an apocalyptic number.

12918910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12918910 is a deficient number, since it is larger than the sum of its proper divisors (10567202).

12918910 is a wasteful number, since it uses less digits than its factorization.

12918910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12899.

The product of its (nonzero) digits is 1296, while the sum is 31.

The square root of 12918910 is about 3594.2885248683. The cubic root of 12918910 is about 234.6435519624.

It can be divided in two parts, 1291 and 8910, that added together give a palindrome (10201).

The spelling of 12918910 in words is "twelve million, nine hundred eighteen thousand, nine hundred ten".