12403315 has 4 divisors (see below), whose sum is σ = 14883984. Its totient is φ = 9922648.

The previous prime is 12403309. The next prime is 12403351. The reversal of 12403315 is 51330421.

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 12403315 - 2⁵ = 12403283 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12403292 and 12403301.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1240327 + ... + 1240336.

It is an arithmetic number, because the mean of its divisors is an integer number (3720996).

Almost surely, 2^12403315 is an apocalyptic number.

12403315 is a deficient number, since it is larger than the sum of its proper divisors (2480669).

12403315 is an equidigital number, since it uses as much as digits as its factorization.

It is an anagram of its base 9 representation: 12403315 = (25304131)₉.

12403315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2480668.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 12403315 is about 3521.8340392472. The cubic root of 12403315 is about 231.4795295899.

Adding to 12403315 its reverse (51330421), we get a palindrome (63733736).

The spelling of 12403315 in words is "twelve million, four hundred three thousand, three hundred fifteen".