12910845 has 16 divisors (see below), whose sum is σ = 20711232. Its totient is φ = 6867840.

The previous prime is 12910819. The next prime is 12910867. The reversal of 12910845 is 54801921.

It is a happy number.

12910845 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12910845 - 2⁵ = 12910813 is a prime.

It is a super-2 number, since 2×12910845² = 333379837228050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6489 + ... + 8241.

It is an arithmetic number, because the mean of its divisors is an integer number (1294452).

Almost surely, 2^12910845 is an apocalyptic number.

12910845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12910845 is a deficient number, since it is larger than the sum of its proper divisors (7800387).

12910845 is a wasteful number, since it uses less digits than its factorization.

12910845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2252.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 12910845 is about 3593.1664308796. The cubic root of 12910845 is about 234.5947141430.

The spelling of 12910845 in words is "twelve million, nine hundred ten thousand, eight hundred forty-five".