13291422 has 8 divisors (see below), whose sum is σ = 26582856. Its totient is φ = 4430472.

The previous prime is 13291403. The next prime is 13291423. The reversal of 13291422 is 22419231.

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

13291422 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 13291392 and 13291401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13291423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1107613 + ... + 1107624.

It is an arithmetic number, because the mean of its divisors is an integer number (3322857).

Almost surely, 2^13291422 is an apocalyptic number.

13291422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13291422 is a wasteful number, since it uses less digits than its factorization.

13291422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2215242.

The product of its digits is 864, while the sum is 24.

The square root of 13291422 is about 3645.7402540499. The cubic root of 13291422 is about 236.8775026132.

The spelling of 13291422 in words is "thirteen million, two hundred ninety-one thousand, four hundred twenty-two".