12734020 has 96 divisors (see below), whose sum is σ = 31667328. Its totient is φ = 4257792.

The previous prime is 12734017. The next prime is 12734023. The reversal of 12734020 is 2043721.

It is an interprime number because it is at equal distance from previous prime (12734017) and next prime (12734023).

It is not an unprimeable number, because it can be changed into a prime (12734023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 190027 + ... + 190093.

It is an arithmetic number, because the mean of its divisors is an integer number (329868).

Almost surely, 2^12734020 is an apocalyptic number.

12734020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12734020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15833664).

12734020 is an abundant number, since it is smaller than the sum of its proper divisors (18933308).

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

12734020 is a wasteful number, since it uses less digits than its factorization.

12734020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 12734020 is about 3568.4758651279. The cubic root of 12734020 is about 233.5187958587.

Adding to 12734020 its reverse (2043721), we get a palindrome (14777741).

The spelling of 12734020 in words is "twelve million, seven hundred thirty-four thousand, twenty".