13226740 has 24 divisors (see below), whose sum is σ = 28369152. Its totient is φ = 5177760.

The previous prime is 13226729. The next prime is 13226743. The reversal of 13226740 is 4762231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13226743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6096 + ... + 7975.

It is an arithmetic number, because the mean of its divisors is an integer number (1182048).

Almost surely, 2^13226740 is an apocalyptic number.

13226740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13226740 is an abundant number, since it is smaller than the sum of its proper divisors (15142412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13226740 is a wasteful number, since it uses less digits than its factorization.

13226740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14127 (or 14125 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 13226740 is about 3636.8585345047. The cubic root of 13226740 is about 236.4926270111.

Adding to 13226740 its reverse (4762231), we get a palindrome (17988971).

The spelling of 13226740 in words is "thirteen million, two hundred twenty-six thousand, seven hundred forty".