12356036 has 54 divisors (see below), whose sum is σ = 27700974. Its totient is φ = 4804800.

The previous prime is 12356033. The next prime is 12356041. The reversal of 12356036 is 63065321.

12356036 = T₃₆₅ + T₃₆₆ + ... + T₄₉₆.

It can be written as a sum of positive squares in only one way, i.e., 9486400 + 2869636 = 3080^2 + 1694^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12355996 and 12356014.

It is not an unprimeable number, because it can be changed into a prime (12356033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 23456 + ... + 23976.

It is an arithmetic number, because the mean of its divisors is an integer number (512981).

Almost surely, 2^12356036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12356036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13850487).

12356036 is an abundant number, since it is smaller than the sum of its proper divisors (15344938).

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

12356036 is a wasteful number, since it uses less digits than its factorization.

12356036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561 (or 541 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 12356036 is about 3515.1153608381. The cubic root of 12356036 is about 231.1850369263.

The spelling of 12356036 in words is "twelve million, three hundred fifty-six thousand, thirty-six".