12503385 has 24 divisors (see below), whose sum is σ = 22374144. Its totient is φ = 6452640.

The previous prime is 12503371. The next prime is 12503417. The reversal of 12503385 is 58330521.

12503385 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12503385 - 2⁹ = 12502873 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3087 + ... + 5876.

It is an arithmetic number, because the mean of its divisors is an integer number (932256).

Almost surely, 2^12503385 is an apocalyptic number.

12503385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12503385 is a deficient number, since it is larger than the sum of its proper divisors (9870759).

12503385 is a wasteful number, since it uses less digits than its factorization.

12503385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9005 (or 9002 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 12503385 is about 3536.0125848192. The cubic root of 12503385 is about 232.1003888275.

The spelling of 12503385 in words is "twelve million, five hundred three thousand, three hundred eighty-five".