13801233 has 4 divisors (see below), whose sum is σ = 18401648. Its totient is φ = 9200820.

The previous prime is 13801213. The next prime is 13801261. The reversal of 13801233 is 33210831.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33210831 = 3 ⋅11070277.

It is not a de Polignac number, because 13801233 - 2¹² = 13797137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13801213) 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, 2300203 + ... + 2300208.

It is an arithmetic number, because the mean of its divisors is an integer number (4600412).

Almost surely, 2^13801233 is an apocalyptic number.

It is an amenable number.

13801233 is a deficient number, since it is larger than the sum of its proper divisors (4600415).

13801233 is an equidigital number, since it uses as much as digits as its factorization.

13801233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4600414.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 13801233 is about 3715.0010767159. The cubic root of 13801233 is about 239.8681741325.

The spelling of 13801233 in words is "thirteen million, eight hundred one thousand, two hundred thirty-three".