13202261 has 4 divisors (see below), whose sum is σ = 13245024. Its totient is φ = 13159500.

The previous prime is 13202239. The next prime is 13202263. The reversal of 13202261 is 16220231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16220231 = 67 ⋅242093.

It is a cyclic number.

It is not a de Polignac number, because 13202261 - 2¹⁸ = 12940117 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 (13202263) 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 3 ways as a sum of consecutive naturals, for example, 20915 + ... + 21536.

It is an arithmetic number, because the mean of its divisors is an integer number (3311256).

Almost surely, 2^13202261 is an apocalyptic number.

It is an amenable number.

13202261 is a deficient number, since it is larger than the sum of its proper divisors (42763).

13202261 is an equidigital number, since it uses as much as digits as its factorization.

13202261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42762.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 13202261 is about 3633.4915714778. The cubic root of 13202261 is about 236.3466429911.

Adding to 13202261 its reverse (16220231), we get a palindrome (29422492).

The spelling of 13202261 in words is "thirteen million, two hundred two thousand, two hundred sixty-one".