13109822 has 16 divisors (see below), whose sum is σ = 22714992. Its totient is φ = 5608320.

The previous prime is 13109809. The next prime is 13109843. The reversal of 13109822 is 22890131.

It is a junction number, because it is equal to n+sod(n) for n = 13109791 and 13109800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17153 + ... + 17900.

It is an arithmetic number, because the mean of its divisors is an integer number (1419687).

Almost surely, 2^13109822 is an apocalyptic number.

13109822 is a deficient number, since it is larger than the sum of its proper divisors (9605170).

13109822 is a wasteful number, since it uses less digits than its factorization.

13109822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35083.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 13109822 is about 3620.7488175790. The cubic root of 13109822 is about 235.7937367570.

Adding to 13109822 its reverse (22890131), we get a palindrome (35999953).

It can be divided in two parts, 13109 and 822, that added together give a palindrome (13931).

The spelling of 13109822 in words is "thirteen million, one hundred nine thousand, eight hundred twenty-two".