12436020 has 72 divisors (see below), whose sum is σ = 38394720. Its totient is φ = 3257280.

The previous prime is 12436007. The next prime is 12436043. The reversal of 12436020 is 2063421.

It is a happy number.

12436020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12435984 and 12436002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10035 + ... + 11205.

It is an arithmetic number, because the mean of its divisors is an integer number (533260).

Almost surely, 2^12436020 is an apocalyptic number.

12436020 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 12436020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19197360).

12436020 is an abundant number, since it is smaller than the sum of its proper divisors (25958700).

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

12436020 is a wasteful number, since it uses less digits than its factorization.

12436020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245 (or 1240 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 12436020 is about 3526.4741598373. The cubic root of 12436020 is about 231.6828057237.

Adding to 12436020 its reverse (2063421), we get a palindrome (14499441).

The spelling of 12436020 in words is "twelve million, four hundred thirty-six thousand, twenty".