12485745 has 20 divisors (see below), whose sum is σ = 22382580. Its totient is φ = 6658848.

The previous prime is 12485731. The next prime is 12485779. The reversal of 12485745 is 54758421.

12485745 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8088336 + 4397409 = 2844^2 + 2097^2 .

It is not a de Polignac number, because 12485745 - 2⁷ = 12485617 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15010 + ... + 15819.

It is an arithmetic number, because the mean of its divisors is an integer number (1119129).

Almost surely, 2^12485745 is an apocalyptic number.

12485745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12485745 is a deficient number, since it is larger than the sum of its proper divisors (9896835).

12485745 is an equidigital number, since it uses as much as digits as its factorization.

12485745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30846 (or 30837 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 12485745 is about 3533.5173694210. The cubic root of 12485745 is about 231.9911869918.

The spelling of 12485745 in words is "twelve million, four hundred eighty-five thousand, seven hundred forty-five".