13261022 has 8 divisors (see below), whose sum is σ = 20429256. Its totient is φ = 6451272.

The previous prime is 13261021. The next prime is 13261043. The reversal of 13261022 is 22016231.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13261021) 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, 89528 + ... + 89675.

It is an arithmetic number, because the mean of its divisors is an integer number (2553657).

Almost surely, 2^13261022 is an apocalyptic number.

13261022 is a deficient number, since it is larger than the sum of its proper divisors (7168234).

13261022 is a wasteful number, since it uses less digits than its factorization.

13261022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179242.

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

The square root of 13261022 is about 3641.5686180546. The cubic root of 13261022 is about 236.6967701794.

Adding to 13261022 its reverse (22016231), we get a palindrome (35277253).

The spelling of 13261022 in words is "thirteen million, two hundred sixty-one thousand, twenty-two".