13693427 has 4 divisors (see below), whose sum is σ = 14938296. Its totient is φ = 12448560.

The previous prime is 13693417. The next prime is 13693457. The reversal of 13693427 is 72439631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72439631 = 11 ⋅6585421.

It is a cyclic number.

It is not a de Polignac number, because 13693427 - 2⁸ = 13693171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13693417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 622418 + ... + 622439.

It is an arithmetic number, because the mean of its divisors is an integer number (3734574).

Almost surely, 2^13693427 is an apocalyptic number.

13693427 is a deficient number, since it is larger than the sum of its proper divisors (1244869).

13693427 is a wasteful number, since it uses less digits than its factorization.

13693427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244868.

The product of its digits is 27216, while the sum is 35.

The square root of 13693427 is about 3700.4630791294. The cubic root of 13693427 is about 239.2419775752.

The spelling of 13693427 in words is "thirteen million, six hundred ninety-three thousand, four hundred twenty-seven".