13424056 has 16 divisors (see below), whose sum is σ = 25784640. Its totient is φ = 6548160.

The previous prime is 13424039. The next prime is 13424063. The reversal of 13424056 is 65042431.

It is a super-2 number, since 2×13424056² = 360410558982272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13424056.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 20136 + ... + 20791.

It is an arithmetic number, because the mean of its divisors is an integer number (1611540).

Almost surely, 2^13424056 is an apocalyptic number.

It is an amenable number.

13424056 is a deficient number, since it is larger than the sum of its proper divisors (12360584).

13424056 is a wasteful number, since it uses less digits than its factorization.

13424056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40974 (or 40970 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 13424056 is about 3663.8853693859. The cubic root of 13424056 is about 237.6628231583.

Adding to 13424056 its reverse (65042431), we get a palindrome (78466487).

The spelling of 13424056 in words is "thirteen million, four hundred twenty-four thousand, fifty-six".