13763231 has 4 divisors (see below), whose sum is σ = 13847832. Its totient is φ = 13678632.

The previous prime is 13763219. The next prime is 13763261. The reversal of 13763231 is 13236731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13236731 = 29 ⋅456439.

It is a cyclic number.

It is not a de Polignac number, because 13763231 - 2¹⁰ = 13762207 is a prime.

It is a super-2 number, since 2×13763231² = 378853055118722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13763231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13763261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42056 + ... + 42381.

It is an arithmetic number, because the mean of its divisors is an integer number (3461958).

Almost surely, 2^13763231 is an apocalyptic number.

13763231 is a deficient number, since it is larger than the sum of its proper divisors (84601).

13763231 is an equidigital number, since it uses as much as digits as its factorization.

13763231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84600.

The product of its digits is 2268, while the sum is 26.

The square root of 13763231 is about 3709.8828822484. The cubic root of 13763231 is about 239.6478109778.

Adding to 13763231 its reverse (13236731), we get a palindrome (26999962).

The spelling of 13763231 in words is "thirteen million, seven hundred sixty-three thousand, two hundred thirty-one".