13251422 has 8 divisors (see below), whose sum is σ = 19896096. Its totient is φ = 6619392.

The previous prime is 13251421. The next prime is 13251437. The reversal of 13251422 is 22415231.

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 = 13251394 and 13251403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13251421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158 + ... + 5150.

It is an arithmetic number, because the mean of its divisors is an integer number (2487012).

Almost surely, 2^13251422 is an apocalyptic number.

13251422 is a deficient number, since it is larger than the sum of its proper divisors (6644674).

13251422 is a wasteful number, since it uses less digits than its factorization.

13251422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6322.

The product of its digits is 480, while the sum is 20.

The square root of 13251422 is about 3640.2502661218. The cubic root of 13251422 is about 236.6396394008.

Adding to 13251422 its reverse (22415231), we get a palindrome (35666653).

The spelling of 13251422 in words is "thirteen million, two hundred fifty-one thousand, four hundred twenty-two".