13423427 has 4 divisors (see below), whose sum is σ = 13430760. Its totient is φ = 13416096.

The previous prime is 13423411. The next prime is 13423451. The reversal of 13423427 is 72432431.

13423427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 72432431 = 6203 ⋅11677.

It is a cyclic number.

It is not a de Polignac number, because 13423427 - 2⁴ = 13423411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13423396 and 13423405.

It is not an unprimeable number, because it can be changed into a prime (13423327) 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, 1643 + ... + 5435.

It is an arithmetic number, because the mean of its divisors is an integer number (3357690).

Almost surely, 2^13423427 is an apocalyptic number.

13423427 is a deficient number, since it is larger than the sum of its proper divisors (7333).

13423427 is an equidigital number, since it uses as much as digits as its factorization.

13423427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7332.

The product of its digits is 4032, while the sum is 26.

The square root of 13423427 is about 3663.7995305420. The cubic root of 13423427 is about 237.6591111096.

Adding to 13423427 its reverse (72432431), we get a palindrome (85855858).

The spelling of 13423427 in words is "thirteen million, four hundred twenty-three thousand, four hundred twenty-seven".