13826231 has 4 divisors (see below), whose sum is σ = 13834464. Its totient is φ = 13818000.

The previous prime is 13826221. The next prime is 13826233. The reversal of 13826231 is 13262831.

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: 13262831 = 29 ⋅457339.

It is a cyclic number.

It is not a de Polignac number, because 13826231 - 2¹⁴ = 13809847 is a prime.

It is a super-2 number, since 2×13826231² = 382329327330722, 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 13826231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13826233) 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, 590 + ... + 5291.

It is an arithmetic number, because the mean of its divisors is an integer number (3458616).

Almost surely, 2^13826231 is an apocalyptic number.

13826231 is a deficient number, since it is larger than the sum of its proper divisors (8233).

13826231 is an equidigital number, since it uses as much as digits as its factorization.

13826231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8232.

The product of its digits is 1728, while the sum is 26.

The square root of 13826231 is about 3718.3640219860. The cubic root of 13826231 is about 240.0129101851.

The spelling of 13826231 in words is "thirteen million, eight hundred twenty-six thousand, two hundred thirty-one".