13693123 has 4 divisors (see below), whose sum is σ = 13772448. Its totient is φ = 13613800.

The previous prime is 13693117. The next prime is 13693159. The reversal of 13693123 is 32139631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32139631 = 109 ⋅294859.

It is a cyclic number.

It is not a de Polignac number, because 13693123 - 2¹⁷ = 13562051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13693091 and 13693100.

It is not an unprimeable number, because it can be changed into a prime (13693523) 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, 39403 + ... + 39748.

It is an arithmetic number, because the mean of its divisors is an integer number (3443112).

Almost surely, 2^13693123 is an apocalyptic number.

13693123 is a deficient number, since it is larger than the sum of its proper divisors (79325).

13693123 is an equidigital number, since it uses as much as digits as its factorization.

13693123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79324.

The product of its digits is 2916, while the sum is 28.

The square root of 13693123 is about 3700.4220029613. The cubic root of 13693123 is about 239.2402071370.

It can be divided in two parts, 136931 and 23, that multiplied together give a palindrome (3149413).

The spelling of 13693123 in words is "thirteen million, six hundred ninety-three thousand, one hundred twenty-three".