12903235 has 4 divisors (see below), whose sum is σ = 15483888. Its totient is φ = 10322584.

The previous prime is 12903227. The next prime is 12903259. The reversal of 12903235 is 53230921.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12903235 - 2³ = 12903227 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 1290319 + ... + 1290328.

It is an arithmetic number, because the mean of its divisors is an integer number (3870972).

Almost surely, 2^12903235 is an apocalyptic number.

12903235 is a deficient number, since it is larger than the sum of its proper divisors (2580653).

12903235 is an equidigital number, since it uses as much as digits as its factorization.

12903235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2580652.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 12903235 is about 3592.1073202230. The cubic root of 12903235 is about 234.5486129351.

The spelling of 12903235 in words is "twelve million, nine hundred three thousand, two hundred thirty-five".