12532550 has 24 divisors (see below), whose sum is σ = 23810976. Its totient is φ = 4905440.

The previous prime is 12532543. The next prime is 12532561. The reversal of 12532550 is 5523521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 317 + ... + 5016.

It is an arithmetic number, because the mean of its divisors is an integer number (992124).

Almost surely, 2^12532550 is an apocalyptic number.

12532550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12532550 is a deficient number, since it is larger than the sum of its proper divisors (11278426).

12532550 is a wasteful number, since it uses less digits than its factorization.

12532550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5392 (or 5387 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 12532550 is about 3540.1341782481. The cubic root of 12532550 is about 232.2807120343.

The spelling of 12532550 in words is "twelve million, five hundred thirty-two thousand, five hundred fifty".