13431126 has 16 divisors (see below), whose sum is σ = 28030464. Its totient is φ = 4282344.

The previous prime is 13431113. The next prime is 13431127. The reversal of 13431126 is 62113431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13431127) 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 7 ways as a sum of consecutive naturals, for example, 48526 + ... + 48801.

It is an arithmetic number, because the mean of its divisors is an integer number (1751904).

Almost surely, 2^13431126 is an apocalyptic number.

13431126 is an abundant number, since it is smaller than the sum of its proper divisors (14599338).

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

13431126 is a wasteful number, since it uses less digits than its factorization.

13431126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97355.

The product of its digits is 432, while the sum is 21.

The square root of 13431126 is about 3664.8500651459. The cubic root of 13431126 is about 237.7045388480.

Adding to 13431126 its reverse (62113431), we get a palindrome (75544557).

The spelling of 13431126 in words is "thirteen million, four hundred thirty-one thousand, one hundred twenty-six".