13522424 has 8 divisors (see below), whose sum is σ = 25354560. Its totient is φ = 6761208.

The previous prime is 13522391. The next prime is 13522451. The reversal of 13522424 is 42422531.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

13522424 is a modest number, since divided by 2424 gives 1352 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 13522424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 845144 + ... + 845159.

It is an arithmetic number, because the mean of its divisors is an integer number (3169320).

Almost surely, 2^13522424 is an apocalyptic number.

It is an amenable number.

13522424 is a deficient number, since it is larger than the sum of its proper divisors (11832136).

13522424 is a wasteful number, since it uses less digits than its factorization.

13522424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690309 (or 1690305 counting only the distinct ones).

The product of its digits is 1920, while the sum is 23.

The square root of 13522424 is about 3677.2848679427. The cubic root of 13522424 is about 238.2419214644.

Adding to 13522424 its reverse (42422531), we get a palindrome (55944955).

The spelling of 13522424 in words is "thirteen million, five hundred twenty-two thousand, four hundred twenty-four".