13506423 has 16 divisors (see below), whose sum is σ = 20647680. Its totient is φ = 7693056.

The previous prime is 13506413. The next prime is 13506439. The reversal of 13506423 is 32460531.

It is a happy number.

It is not a de Polignac number, because 13506423 - 2⁵ = 13506391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13506393 and 13506402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13506413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7111 + ... + 8807.

It is an arithmetic number, because the mean of its divisors is an integer number (1290480).

Almost surely, 2^13506423 is an apocalyptic number.

13506423 is a deficient number, since it is larger than the sum of its proper divisors (7141257).

13506423 is a wasteful number, since it uses less digits than its factorization.

13506423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 13506423 is about 3675.1085698248. The cubic root of 13506423 is about 238.1479143152.

Adding to 13506423 its reverse (32460531), we get a palindrome (45966954).

The spelling of 13506423 in words is "thirteen million, five hundred six thousand, four hundred twenty-three".