12450550 has 24 divisors (see below), whose sum is σ = 26467056. Its totient is φ = 4268640.

The previous prime is 12450547. The next prime is 12450551. The reversal of 12450550 is 5505421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12450551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17437 + ... + 18136.

It is an arithmetic number, because the mean of its divisors is an integer number (1102794).

Almost surely, 2^12450550 is an apocalyptic number.

12450550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12450550 is an abundant number, since it is smaller than the sum of its proper divisors (14016506).

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

12450550 is a wasteful number, since it uses less digits than its factorization.

12450550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35592 (or 35587 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 12450550 is about 3528.5336897924. The cubic root of 12450550 is about 231.7730018089.

Adding to 12450550 its reverse (5505421), we get a palindrome (17955971).

The spelling of 12450550 in words is "twelve million, four hundred fifty thousand, five hundred fifty".