13424131 has 4 divisors (see below), whose sum is σ = 15341872. Its totient is φ = 11506392.

The previous prime is 13424123. The next prime is 13424141. The reversal of 13424131 is 13142431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13424131 - 2³ = 13424123 is a prime.

It is a super-2 number, since 2×13424131² = 360414586210322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13424099 and 13424108.

It is not an unprimeable number, because it can be changed into a prime (13424141) 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, 958860 + ... + 958873.

It is an arithmetic number, because the mean of its divisors is an integer number (3835468).

Almost surely, 2^13424131 is an apocalyptic number.

13424131 is a deficient number, since it is larger than the sum of its proper divisors (1917741).

13424131 is an equidigital number, since it uses as much as digits as its factorization.

13424131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1917740.

The product of its digits is 288, while the sum is 19.

The square root of 13424131 is about 3663.8956044080. The cubic root of 13424131 is about 237.6632657637.

Adding to 13424131 its reverse (13142431), we get a palindrome (26566562).

The spelling of 13424131 in words is "thirteen million, four hundred twenty-four thousand, one hundred thirty-one".