12503235 has 24 divisors (see below), whose sum is σ = 21122640. Its totient is φ = 6314688.

The previous prime is 12503233. The next prime is 12503243. The reversal of 12503235 is 53230521.

It is not a de Polignac number, because 12503235 - 2¹ = 12503233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12503233) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 4261 + ... + 6569.

It is an arithmetic number, because the mean of its divisors is an integer number (880110).

Almost surely, 2^12503235 is an apocalyptic number.

12503235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12503235 is a deficient number, since it is larger than the sum of its proper divisors (8619405).

12503235 is a wasteful number, since it uses less digits than its factorization.

12503235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2355 (or 2336 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 12503235 is about 3535.9913744239. The cubic root of 12503235 is about 232.0994606736.

Adding to 12503235 its reverse (53230521), we get a palindrome (65733756).

The spelling of 12503235 in words is "twelve million, five hundred three thousand, two hundred thirty-five".