13729422 has 32 divisors (see below), whose sum is σ = 31680000. Its totient is φ = 3885408.

The previous prime is 13729411. The next prime is 13729423. The reversal of 13729422 is 22492731.

It is a self number, because there is not a number n which added to its sum of digits gives 13729422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13729423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3079 + ... + 6077.

It is an arithmetic number, because the mean of its divisors is an integer number (990000).

Almost surely, 2^13729422 is an apocalyptic number.

13729422 is an abundant number, since it is smaller than the sum of its proper divisors (17950578).

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

13729422 is a wasteful number, since it uses less digits than its factorization.

13729422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3120.

The product of its digits is 6048, while the sum is 30.

The square root of 13729422 is about 3705.3234676611. The cubic root of 13729422 is about 239.4514206527.

The spelling of 13729422 in words is "thirteen million, seven hundred twenty-nine thousand, four hundred twenty-two".