12677545 has 16 divisors (see below), whose sum is σ = 15770880. Its totient is φ = 9777024.

The previous prime is 12677537. The next prime is 12677557. The reversal of 12677545 is 54577621.

It is a cyclic number.

It is not a de Polignac number, because 12677545 - 2³ = 12677537 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 16786 + ... + 17524.

It is an arithmetic number, because the mean of its divisors is an integer number (985680).

Almost surely, 2^12677545 is an apocalyptic number.

It is an amenable number.

12677545 is a deficient number, since it is larger than the sum of its proper divisors (3093335).

12677545 is an equidigital number, since it uses as much as digits as its factorization.

12677545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864.

The product of its digits is 58800, while the sum is 37.

The square root of 12677545 is about 3560.5540299229. The cubic root of 12677545 is about 233.1730679512.

The spelling of 12677545 in words is "twelve million, six hundred seventy-seven thousand, five hundred forty-five".