12403475 has 12 divisors (see below), whose sum is σ = 17577744. Its totient is φ = 8505120.

The previous prime is 12403459. The next prime is 12403481. The reversal of 12403475 is 57430421.

12403475 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12403475 - 2⁴ = 12403459 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35264 + ... + 35613.

It is an arithmetic number, because the mean of its divisors is an integer number (1464812).

Almost surely, 2^12403475 is an apocalyptic number.

12403475 is a deficient number, since it is larger than the sum of its proper divisors (5174269).

12403475 is an equidigital number, since it uses as much as digits as its factorization.

12403475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70894 (or 70889 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 12403475 is about 3521.8567546111. The cubic root of 12403475 is about 231.4805249304.

Adding to 12403475 its reverse (57430421), we get a palindrome (69833896).

The spelling of 12403475 in words is "twelve million, four hundred three thousand, four hundred seventy-five".