12738910 has 8 divisors (see below), whose sum is σ = 22930056. Its totient is φ = 5095560.

The previous prime is 12738889. The next prime is 12738919. The reversal of 12738910 is 1983721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12738919) 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 3 ways as a sum of consecutive naturals, for example, 636936 + ... + 636955.

It is an arithmetic number, because the mean of its divisors is an integer number (2866257).

Almost surely, 2^12738910 is an apocalyptic number.

12738910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12738910 is a deficient number, since it is larger than the sum of its proper divisors (10191146).

12738910 is a wasteful number, since it uses less digits than its factorization.

12738910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273898.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 12738910 is about 3569.1609658294. The cubic root of 12738910 is about 233.5486832725.

The spelling of 12738910 in words is "twelve million, seven hundred thirty-eight thousand, nine hundred ten".