13226733 has 48 divisors (see below), whose sum is σ = 22014720. Its totient is φ = 7884864.

The previous prime is 13226729. The next prime is 13226743. The reversal of 13226733 is 33762231.

It is not a de Polignac number, because 13226733 - 2² = 13226729 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 13226697 and 13226706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13226713) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 167388 + ... + 167466.

It is an arithmetic number, because the mean of its divisors is an integer number (458640).

Almost surely, 2^13226733 is an apocalyptic number.

13226733 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13226733 is a deficient number, since it is larger than the sum of its proper divisors (8787987).

13226733 is an equidigital number, since it uses as much as digits as its factorization.

13226733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 148 counting only the distinct ones).

The product of its digits is 4536, while the sum is 27.

The square root of 13226733 is about 3636.8575721356. The cubic root of 13226733 is about 236.4925852914.

Adding to 13226733 its reverse (33762231), we get a palindrome (46988964).

The spelling of 13226733 in words is "thirteen million, two hundred twenty-six thousand, seven hundred thirty-three".