12438910 has 16 divisors (see below), whose sum is σ = 24425712. Its totient is φ = 4523200.

The previous prime is 12438887. The next prime is 12438931. The reversal of 12438910 is 1983421.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 56431 + ... + 56650.

It is an arithmetic number, because the mean of its divisors is an integer number (1526607).

Almost surely, 2^12438910 is an apocalyptic number.

12438910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12438910 is a deficient number, since it is larger than the sum of its proper divisors (11986802).

12438910 is a wasteful number, since it uses less digits than its factorization.

12438910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113099.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 12438910 is about 3526.8838937510. The cubic root of 12438910 is about 231.7007512145.

It can be divided in two parts, 1243 and 8910, that added together give a triangular number (10153 = T₁₄₂).

The spelling of 12438910 in words is "twelve million, four hundred thirty-eight thousand, nine hundred ten".