13040822 has 4 divisors (see below), whose sum is σ = 19561236. Its totient is φ = 6520410.

The previous prime is 13040789. The next prime is 13040827. The reversal of 13040822 is 22804031.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 13040794 and 13040803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13040827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3260204 + ... + 3260207.

It is an arithmetic number, because the mean of its divisors is an integer number (4890309).

Almost surely, 2^13040822 is an apocalyptic number.

13040822 is a deficient number, since it is larger than the sum of its proper divisors (6520414).

13040822 is an equidigital number, since it uses as much as digits as its factorization.

13040822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6520413.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 13040822 is about 3611.2078311834. The cubic root of 13040822 is about 235.3793300261.

Adding to 13040822 its reverse (22804031), we get a palindrome (35844853).

The spelling of 13040822 in words is "thirteen million, forty thousand, eight hundred twenty-two".