12361650 has 96 divisors (see below), whose sum is σ = 35795328. Its totient is φ = 2764800.

The previous prime is 12361619. The next prime is 12361651. The reversal of 12361650 is 5616321.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 12361650.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12361651) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 63954 + ... + 64146.

It is an arithmetic number, because the mean of its divisors is an integer number (372868).

Almost surely, 2^12361650 is an apocalyptic number.

12361650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12361650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17897664).

12361650 is an abundant number, since it is smaller than the sum of its proper divisors (23433678).

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

12361650 is a wasteful number, since it uses less digits than its factorization.

12361650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 12361650 is about 3515.9138214695. The cubic root of 12361650 is about 231.2200448172.

Adding to 12361650 its reverse (5616321), we get a palindrome (17977971).

The spelling of 12361650 in words is "twelve million, three hundred sixty-one thousand, six hundred fifty".