13431422 has 8 divisors (see below), whose sum is σ = 20402400. Its totient is φ = 6630624.

The previous prime is 13431421. The next prime is 13431433. The reversal of 13431422 is 22413431.

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

It is a junction number, because it is equal to n+sod(n) for n = 13431394 and 13431403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13431421) 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, 42347 + ... + 42662.

It is an arithmetic number, because the mean of its divisors is an integer number (2550300).

Almost surely, 2^13431422 is an apocalyptic number.

13431422 is a deficient number, since it is larger than the sum of its proper divisors (6970978).

13431422 is an equidigital number, since it uses as much as digits as its factorization.

13431422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85090.

The product of its digits is 576, while the sum is 20.

The square root of 13431422 is about 3664.8904485673. The cubic root of 13431422 is about 237.7062850413.

Adding to 13431422 its reverse (22413431), we get a palindrome (35844853).

Subtracting 13431422 from its reverse (22413431), we obtain a square (8982009 = 2997²).

The spelling of 13431422 in words is "thirteen million, four hundred thirty-one thousand, four hundred twenty-two".