12577485 has 16 divisors (see below), whose sum is σ = 20168064. Its totient is φ = 6693312.

The previous prime is 12577471. The next prime is 12577489. The reversal of 12577485 is 58477521.

It is not a de Polignac number, because 12577485 - 2⁴ = 12577469 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12577489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12304 + ... + 13286.

It is an arithmetic number, because the mean of its divisors is an integer number (1260504).

Almost surely, 2^12577485 is an apocalyptic number.

12577485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12577485 is a deficient number, since it is larger than the sum of its proper divisors (7590579).

12577485 is an equidigital number, since it uses as much as digits as its factorization.

12577485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844.

The product of its digits is 78400, while the sum is 39.

The square root of 12577485 is about 3546.4750104858. The cubic root of 12577485 is about 232.5579922398.

The spelling of 12577485 in words is "twelve million, five hundred seventy-seven thousand, four hundred eighty-five".