12550356 has 96 divisors (see below), whose sum is σ = 40078080. Its totient is φ = 3307392.

The previous prime is 12550339. The next prime is 12550357. The reversal of 12550356 is 65305521.

12550356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12550356² = 315022871453472, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12550357) 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, 9190 + ... + 10466.

It is an arithmetic number, because the mean of its divisors is an integer number (417480).

Almost surely, 2^12550356 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 12550356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20039040).

12550356 is an abundant number, since it is smaller than the sum of its proper divisors (27527724).

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

12550356 is a wasteful number, since it uses less digits than its factorization.

12550356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310 (or 1302 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 12550356 is about 3542.6481620392. The cubic root of 12550356 is about 232.3906665960.

Adding to 12550356 its reverse (65305521), we get a palindrome (77855877).

The spelling of 12550356 in words is "twelve million, five hundred fifty thousand, three hundred fifty-six".