12530755 has 16 divisors (see below), whose sum is σ = 15746400. Its totient is φ = 9560320.

The previous prime is 12530729. The next prime is 12530773. The reversal of 12530755 is 55703521.

It is not a de Polignac number, because 12530755 - 2¹³ = 12522563 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 12420 + ... + 13390.

It is an arithmetic number, because the mean of its divisors is an integer number (984150).

Almost surely, 2^12530755 is an apocalyptic number.

12530755 is a deficient number, since it is larger than the sum of its proper divisors (3215645).

12530755 is an equidigital number, since it uses as much as digits as its factorization.

12530755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 12530755 is about 3539.8806477055. The cubic root of 12530755 is about 232.2696218788.

The spelling of 12530755 in words is "twelve million, five hundred thirty thousand, seven hundred fifty-five".