12736020 has 96 divisors (see below), whose sum is σ = 40642560. Its totient is φ = 2949760.

The previous prime is 12736019. The next prime is 12736027. The reversal of 12736020 is 2063721.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12736027) 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, 14761 + ... + 15599.

It is an arithmetic number, because the mean of its divisors is an integer number (423360).

Almost surely, 2^12736020 is an apocalyptic number.

12736020 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 12736020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20321280).

12736020 is an abundant number, since it is smaller than the sum of its proper divisors (27906540).

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

12736020 is a wasteful number, since it uses less digits than its factorization.

12736020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885 (or 883 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 12736020 is about 3568.7560858092. The cubic root of 12736020 is about 233.5310206744.

Adding to 12736020 its reverse (2063721), we get a palindrome (14799741).

The spelling of 12736020 in words is "twelve million, seven hundred thirty-six thousand, twenty".