12903361 has 4 divisors (see below), whose sum is σ = 12960432. Its totient is φ = 12846292.

The previous prime is 12903349. The next prime is 12903367. The reversal of 12903361 is 16330921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16330921 = 311 ⋅52511.

It is a cyclic number.

It is not a de Polignac number, because 12903361 - 2⁹ = 12902849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12903367) by changing a digit.

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, 28195 + ... + 28648.

It is an arithmetic number, because the mean of its divisors is an integer number (3240108).

Almost surely, 2^12903361 is an apocalyptic number.

It is an amenable number.

12903361 is a deficient number, since it is larger than the sum of its proper divisors (57071).

12903361 is an equidigital number, since it uses as much as digits as its factorization.

12903361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57070.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 12903361 is about 3592.1248586317. The cubic root of 12903361 is about 234.5493763878.

The spelling of 12903361 in words is "twelve million, nine hundred three thousand, three hundred sixty-one".