12738708 has 30 divisors (see below), whose sum is σ = 33302346. Its totient is φ = 4246128.

The previous prime is 12738701. The next prime is 12738727. The reversal of 12738708 is 80783721.

It can be written as a sum of positive squares in only one way, i.e., 12194064 + 544644 = 3492^2 + 738^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12738701) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19335 + ... + 19982.

Almost surely, 2^12738708 is an apocalyptic number.

12738708 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12738708 is an abundant number, since it is smaller than the sum of its proper divisors (20563638).

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

12738708 is a wasteful number, since it uses less digits than its factorization.

12738708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39333 (or 39322 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 12738708 is about 3569.1326677500. The cubic root of 12738708 is about 233.5474488109.

It can be divided in two parts, 12 and 738708, that added together give a triangular number (738720 = T₁₂₁₅).

The spelling of 12738708 in words is "twelve million, seven hundred thirty-eight thousand, seven hundred eight".