12755547 has 24 divisors (see below), whose sum is σ = 21974784. Its totient is φ = 6971184.

The previous prime is 12755537. The next prime is 12755549. The reversal of 12755547 is 74555721.

It is not a de Polignac number, because 12755547 - 2¹⁴ = 12739163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12755549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2953 + ... + 5850.

It is an arithmetic number, because the mean of its divisors is an integer number (915616).

Almost surely, 2^12755547 is an apocalyptic number.

12755547 is a deficient number, since it is larger than the sum of its proper divisors (9219237).

12755547 is a wasteful number, since it uses less digits than its factorization.

12755547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8839 (or 8836 counting only the distinct ones).

The product of its digits is 49000, while the sum is 36.

The square root of 12755547 is about 3571.4908651710. The cubic root of 12755547 is about 233.6503104698.

The spelling of 12755547 in words is "twelve million, seven hundred fifty-five thousand, five hundred forty-seven".