12707545 has 16 divisors (see below), whose sum is σ = 15759360. Its totient is φ = 9831744.

The previous prime is 12707521. The next prime is 12707567. The reversal of 12707545 is 54570721.

It is a cyclic number.

It is not a de Polignac number, because 12707545 - 2¹⁵ = 12674777 is a prime.

It is a super-2 number, since 2×12707545² = 322963399854050, which contains 22 as substring.

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, 20632 + ... + 21238.

It is an arithmetic number, because the mean of its divisors is an integer number (984960).

Almost surely, 2^12707545 is an apocalyptic number.

It is an amenable number.

12707545 is a deficient number, since it is larger than the sum of its proper divisors (3051815).

12707545 is an equidigital number, since it uses as much as digits as its factorization.

12707545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744.

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 12707545 is about 3564.7643680894. The cubic root of 12707545 is about 233.3568491039.

The spelling of 12707545 in words is "twelve million, seven hundred seven thousand, five hundred forty-five".