13761223 has 4 divisors (see below), whose sum is σ = 15727120. Its totient is φ = 11795328.

The previous prime is 13761221. The next prime is 13761229. The reversal of 13761223 is 32216731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32216731 = 1279 ⋅25189.

It is a cyclic number.

It is not a de Polignac number, because 13761223 - 2¹ = 13761221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13761221) 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, 982938 + ... + 982951.

It is an arithmetic number, because the mean of its divisors is an integer number (3931780).

Almost surely, 2^13761223 is an apocalyptic number.

13761223 is a deficient number, since it is larger than the sum of its proper divisors (1965897).

13761223 is an equidigital number, since it uses as much as digits as its factorization.

13761223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1965896.

The product of its digits is 1512, while the sum is 25.

The square root of 13761223 is about 3709.6122438875. The cubic root of 13761223 is about 239.6361558607.

Adding to 13761223 its reverse (32216731), we get a palindrome (45977954).

The spelling of 13761223 in words is "thirteen million, seven hundred sixty-one thousand, two hundred twenty-three".