13009822 has 16 divisors (see below), whose sum is σ = 22822272. Its totient is φ = 5445720.

The previous prime is 13009817. The next prime is 13009823. The reversal of 13009822 is 22890031.

13009822 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13009823) 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, 10204 + ... + 11407.

It is an arithmetic number, because the mean of its divisors is an integer number (1426392).

Almost surely, 2^13009822 is an apocalyptic number.

13009822 is a deficient number, since it is larger than the sum of its proper divisors (9812450).

13009822 is a wasteful number, since it uses less digits than its factorization.

13009822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21663.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 13009822 is about 3606.9130846196. The cubic root of 13009822 is about 235.1926713244.

Adding to 13009822 its reverse (22890031), we get a palindrome (35899853).

It can be divided in two parts, 13009 and 822, that added together give a palindrome (13831).

The spelling of 13009822 in words is "thirteen million, nine thousand, eight hundred twenty-two".