13356261 has 24 divisors (see below), whose sum is σ = 20344896. Its totient is φ = 8426880.

The previous prime is 13356251. The next prime is 13356281. The reversal of 13356261 is 16265331.

13356261 is a `hidden beast` number, since 1 + 3 + 35 + 626 + 1 = 666.

It is not a de Polignac number, because 13356261 - 2⁵ = 13356229 is a prime.

It is a super-3 number, since 3×13356261³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13356241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23106 + ... + 23676.

It is an arithmetic number, because the mean of its divisors is an integer number (847704).

Almost surely, 2^13356261 is an apocalyptic number.

It is an amenable number.

13356261 is a deficient number, since it is larger than the sum of its proper divisors (6988635).

13356261 is a wasteful number, since it uses less digits than its factorization.

13356261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713 (or 710 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 13356261 is about 3654.6218682649. The cubic root of 13356261 is about 237.2620612396.

The spelling of 13356261 in words is "thirteen million, three hundred fifty-six thousand, two hundred sixty-one".