13326261 has 16 divisors (see below), whose sum is σ = 19246080. Its totient is φ = 8153280.

The previous prime is 13326251. The next prime is 13326263. The reversal of 13326261 is 16262331.

It is a happy number.

It is not a de Polignac number, because 13326261 - 2⁷ = 13326133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13326263) 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, 6555 + ... + 8343.

It is an arithmetic number, because the mean of its divisors is an integer number (1202880).

Almost surely, 2^13326261 is an apocalyptic number.

It is an amenable number.

13326261 is a deficient number, since it is larger than the sum of its proper divisors (5919819).

13326261 is a wasteful number, since it uses less digits than its factorization.

13326261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1996.

The product of its digits is 1296, while the sum is 24.

The square root of 13326261 is about 3650.5151691234. The cubic root of 13326261 is about 237.0842869925.

Adding to 13326261 its reverse (16262331), we get a palindrome (29588592).

The spelling of 13326261 in words is "thirteen million, three hundred twenty-six thousand, two hundred sixty-one".