13123475 has 6 divisors (see below), whose sum is σ = 16273140. Its totient is φ = 10498760.

The previous prime is 13123463. The next prime is 13123529. The reversal of 13123475 is 57432131.

It is not a de Polignac number, because 13123475 - 2⁴ = 13123459 is a prime.

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 5 ways as a sum of consecutive naturals, for example, 262445 + ... + 262494.

It is an arithmetic number, because the mean of its divisors is an integer number (2712190).

Almost surely, 2^13123475 is an apocalyptic number.

13123475 is a deficient number, since it is larger than the sum of its proper divisors (3149665).

13123475 is an equidigital number, since it uses as much as digits as its factorization.

13123475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524949 (or 524944 counting only the distinct ones).

The product of its digits is 2520, while the sum is 26.

The square root of 13123475 is about 3622.6337104378. The cubic root of 13123475 is about 235.8755628101.

The spelling of 13123475 in words is "thirteen million, one hundred twenty-three thousand, four hundred seventy-five".