13226081 has 16 divisors (see below), whose sum is σ = 15320448. Its totient is φ = 11299200.

The previous prime is 13226041. The next prime is 13226107. The reversal of 13226081 is 18062231.

It is a de Polignac number, because none of the positive numbers 2^k-13226081 is a prime.

It is a super-2 number, since 2×13226081² = 349858437237122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (13226011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15005 + ... + 15861.

It is an arithmetic number, because the mean of its divisors is an integer number (957528).

Almost surely, 2^13226081 is an apocalyptic number.

13226081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13226081 is a deficient number, since it is larger than the sum of its proper divisors (2094367).

13226081 is a wasteful number, since it uses less digits than its factorization.

13226081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 13226081 is about 3636.7679332066. The cubic root of 13226081 is about 236.4886993306.

The spelling of 13226081 in words is "thirteen million, two hundred twenty-six thousand, eighty-one".