12727550 has 48 divisors (see below), whose sum is σ = 26261712. Its totient is φ = 4550400.

The previous prime is 12727541. The next prime is 12727573. The reversal of 12727550 is 5572721.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39992 + ... + 40308.

It is an arithmetic number, because the mean of its divisors is an integer number (547119).

Almost surely, 2^12727550 is an apocalyptic number.

12727550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12727550 is an abundant number, since it is smaller than the sum of its proper divisors (13534162).

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

12727550 is a wasteful number, since it uses less digits than its factorization.

12727550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413 (or 408 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 12727550 is about 3567.5692004501. The cubic root of 12727550 is about 233.4792398095.

The spelling of 12727550 in words is "twelve million, seven hundred twenty-seven thousand, five hundred fifty".