13651323 has 16 divisors (see below), whose sum is σ = 22026240. Its totient is φ = 7341696.

The previous prime is 13651321. The next prime is 13651331. The reversal of 13651323 is 32315631.

It is a happy number.

It is not a de Polignac number, because 13651323 - 2¹ = 13651321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13651293 and 13651302.

It is not an unprimeable number, because it can be changed into a prime (13651321) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 18763 + ... + 19476.

It is an arithmetic number, because the mean of its divisors is an integer number (1376640).

Almost surely, 2^13651323 is an apocalyptic number.

13651323 is a deficient number, since it is larger than the sum of its proper divisors (8374917).

13651323 is a wasteful number, since it uses less digits than its factorization.

13651323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38266.

The product of its digits is 1620, while the sum is 24.

The square root of 13651323 is about 3694.7696815905. The cubic root of 13651323 is about 238.9965219524.

Adding to 13651323 its reverse (32315631), we get a palindrome (45966954).

The spelling of 13651323 in words is "thirteen million, six hundred fifty-one thousand, three hundred twenty-three".