13140422 has 16 divisors (see below), whose sum is σ = 21591360. Its totient is φ = 5970048.

The previous prime is 13140409. The next prime is 13140427. The reversal of 13140422 is 22404131.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 13140422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13140427) 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, 5678 + ... + 7649.

It is an arithmetic number, because the mean of its divisors is an integer number (1349460).

Almost surely, 2^13140422 is an apocalyptic number.

13140422 is a deficient number, since it is larger than the sum of its proper divisors (8450938).

13140422 is a wasteful number, since it uses less digits than its factorization.

13140422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13375.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 13140422 is about 3624.9719998919. The cubic root of 13140422 is about 235.9770517761.

Adding to 13140422 its reverse (22404131), we get a palindrome (35544553).

The spelling of 13140422 in words is "thirteen million, one hundred forty thousand, four hundred twenty-two".