12550050 has 54 divisors (see below), whose sum is σ = 33920913. Its totient is φ = 3326640.

The previous prime is 12550049. The next prime is 12550061. The reversal of 12550050 is 5005521.

It can be written as a sum of positive squares in 2 ways, for example, as 12299049 + 251001 = 3507^2 + 501^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=2505.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 75067 + ... + 75233.

It is a vampire number, since it can be written as 2505 ⋅ 5010 (with its own digits).

Almost surely, 2^12550050 is an apocalyptic number.

12550050 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 12550050

12550050 is an abundant number, since it is smaller than the sum of its proper divisors (21370863).

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

12550050 is a wasteful number, since it uses less digits than its factorization.

12550050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

The square root of 12550050 is about 3542.6049737446. The cubic root of 12550050 is about 232.3887778814.

Multiplying 12550050 by its sum of digits (18), we get a square (225900900 = 15030²).

12550050 divided by its sum of digits (18) gives a square (697225 = 835²).

Adding to 12550050 its reverse (5005521), we get a palindrome (17555571).

The spelling of 12550050 in words is "twelve million, five hundred fifty thousand, fifty".