12738080 has 24 divisors (see below), whose sum is σ = 30094092. Its totient is φ = 5095168.

The previous prime is 12738059. The next prime is 12738119. The reversal of 12738080 is 8083721.

It can be written as a sum of positive squares in 2 ways, for example, as 10316944 + 2421136 = 3212^2 + 1556^2 .

It is a super-3 number, since 3×12738080³ (a number of 22 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39647 + ... + 39966.

Almost surely, 2^12738080 is an apocalyptic number.

12738080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12738080 is an abundant number, since it is smaller than the sum of its proper divisors (17356012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12738080 is an equidigital number, since it uses as much as digits as its factorization.

12738080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79628 (or 79620 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 12738080 is about 3569.0446901097. The cubic root of 12738080 is about 233.5436108966.

The spelling of 12738080 in words is "twelve million, seven hundred thirty-eight thousand, eighty".