13421126 has 8 divisors (see below), whose sum is σ = 21315960. Its totient is φ = 6315808.

The previous prime is 13421071. The next prime is 13421129. The reversal of 13421126 is 62112431.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13421098 and 13421107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13421129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197336 + ... + 197403.

It is an arithmetic number, because the mean of its divisors is an integer number (2664495).

Almost surely, 2^13421126 is an apocalyptic number.

13421126 is a deficient number, since it is larger than the sum of its proper divisors (7894834).

13421126 is a wasteful number, since it uses less digits than its factorization.

13421126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394758.

The product of its digits is 288, while the sum is 20.

The square root of 13421126 is about 3663.4854988112. The cubic root of 13421126 is about 237.6455307508.

Adding to 13421126 its reverse (62112431), we get a palindrome (75533557).

The spelling of 13421126 in words is "thirteen million, four hundred twenty-one thousand, one hundred twenty-six".