13129422 has 8 divisors (see below), whose sum is σ = 26258856. Its totient is φ = 4376472.

The previous prime is 13129421. The next prime is 13129427. The reversal of 13129422 is 22492131.

13129422 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

13129422 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 13129392 and 13129401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13129421) 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, 1094113 + ... + 1094124.

It is an arithmetic number, because the mean of its divisors is an integer number (3282357).

Almost surely, 2^13129422 is an apocalyptic number.

13129422 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.

13129422 is a wasteful number, since it uses less digits than its factorization.

13129422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2188242.

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

The square root of 13129422 is about 3623.4544291325. The cubic root of 13129422 is about 235.9111870163.

The spelling of 13129422 in words is "thirteen million, one hundred twenty-nine thousand, four hundred twenty-two".