13309422 has 16 divisors (see below), whose sum is σ = 30421632. Its totient is φ = 3802680.

The previous prime is 13309421. The next prime is 13309423. The reversal of 13309422 is 22490331.

It is an interprime number because it is at equal distance from previous prime (13309421) and next prime (13309423).

It is a junction number, because it is equal to n+sod(n) for n = 13309392 and 13309401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13309421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158404 + ... + 158487.

It is an arithmetic number, because the mean of its divisors is an integer number (1901352).

Almost surely, 2^13309422 is an apocalyptic number.

13309422 is an abundant number, since it is smaller than the sum of its proper divisors (17112210).

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

13309422 is a wasteful number, since it uses less digits than its factorization.

13309422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316903.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 13309422 is about 3648.2080532777. The cubic root of 13309422 is about 236.9843853766.

Adding to 13309422 its reverse (22490331), we get a palindrome (35799753).

It can be divided in two parts, 13309 and 422, that added together give a palindrome (13731).

The spelling of 13309422 in words is "thirteen million, three hundred nine thousand, four hundred twenty-two".