13226551 has 8 divisors (see below), whose sum is σ = 14281344. Its totient is φ = 12177120.

The previous prime is 13226531. The next prime is 13226579. The reversal of 13226551 is 15562231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13226551 - 2⁹ = 13226039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13226531) 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, 4890 + ... + 7096.

It is an arithmetic number, because the mean of its divisors is an integer number (1785168).

Almost surely, 2^13226551 is an apocalyptic number.

13226551 is a deficient number, since it is larger than the sum of its proper divisors (1054793).

13226551 is a wasteful number, since it uses less digits than its factorization.

13226551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2681.

The product of its digits is 1800, while the sum is 25.

The square root of 13226551 is about 3636.8325504483. The cubic root of 13226551 is about 236.4915005728.

Adding to 13226551 its reverse (15562231), we get a palindrome (28788782).

The spelling of 13226551 in words is "thirteen million, two hundred twenty-six thousand, five hundred fifty-one".