13206261 has 8 divisors (see below), whose sum is σ = 17773344. Its totient is φ = 8721680.

The previous prime is 13206257. The next prime is 13206269. The reversal of 13206261 is 16260231.

It is a happy number.

13206261 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 13206261 - 2² = 13206257 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13206269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20250 + ... + 20891.

It is an arithmetic number, because the mean of its divisors is an integer number (2221668).

Almost surely, 2^13206261 is an apocalyptic number.

It is an amenable number.

13206261 is a deficient number, since it is larger than the sum of its proper divisors (4567083).

13206261 is a wasteful number, since it uses less digits than its factorization.

13206261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41251.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 13206261 is about 3634.0419645348. The cubic root of 13206261 is about 236.3705098907.

Adding to 13206261 its reverse (16260231), we get a palindrome (29466492).

The spelling of 13206261 in words is "thirteen million, two hundred six thousand, two hundred sixty-one".