12132550 has 24 divisors (see below), whose sum is σ = 22717296. Its totient is φ = 4820640.

The previous prime is 12132529. The next prime is 12132553. The reversal of 12132550 is 5523121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12132553) 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, 7624 + ... + 9076.

It is an arithmetic number, because the mean of its divisors is an integer number (946554).

Almost surely, 2^12132550 is an apocalyptic number.

12132550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12132550 is a deficient number, since it is larger than the sum of its proper divisors (10584746).

12132550 is a wasteful number, since it uses less digits than its factorization.

12132550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1632 (or 1627 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 12132550 is about 3483.1810174035. The cubic root of 12132550 is about 229.7827185539.

Adding to 12132550 its reverse (5523121), we get a palindrome (17655671).

The spelling of 12132550 in words is "twelve million, one hundred thirty-two thousand, five hundred fifty".