12195036 has 120 divisors (see below), whose sum is σ = 38487680. Its totient is φ = 3289248.

The previous prime is 12195023. The next prime is 12195049. The reversal of 12195036 is 63059121.

12195036 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12195023) and next prime (12195049).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 42951 + ... + 43233.

Almost surely, 2^12195036 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 12195036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19243840).

12195036 is an abundant number, since it is smaller than the sum of its proper divisors (26292644).

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

12195036 is a wasteful number, since it uses less digits than its factorization.

12195036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 12195036 is about 3492.1391724844. The cubic root of 12195036 is about 230.1765248481.

It can be divided in two parts, 12 and 195036, that multiplied together give a palindrome (2340432).

The spelling of 12195036 in words is "twelve million, one hundred ninety-five thousand, thirty-six".