13400822 has 4 divisors (see below), whose sum is σ = 20101236. Its totient is φ = 6700410.

The previous prime is 13400801. The next prime is 13400831. The reversal of 13400822 is 22800431.

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 = 13400794 and 13400803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3350204 + ... + 3350207.

It is an arithmetic number, because the mean of its divisors is an integer number (5025309).

Almost surely, 2^13400822 is an apocalyptic number.

13400822 is a deficient number, since it is larger than the sum of its proper divisors (6700414).

13400822 is an equidigital number, since it uses as much as digits as its factorization.

13400822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6700413.

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

The square root of 13400822 is about 3660.7133184668. The cubic root of 13400822 is about 237.5256304749.

The spelling of 13400822 in words is "thirteen million, four hundred thousand, eight hundred twenty-two".