13312424 has 8 divisors (see below), whose sum is σ = 24960810. Its totient is φ = 6656208.

The previous prime is 13312399. The next prime is 13312433. The reversal of 13312424 is 42421331.

It can be written as a sum of positive squares in only one way, i.e., 12124324 + 1188100 = 3482^2 + 1090^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 13312396 and 13312405.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 832019 + ... + 832034.

Almost surely, 2^13312424 is an apocalyptic number.

It is an amenable number.

13312424 is a deficient number, since it is larger than the sum of its proper divisors (11648386).

13312424 is a wasteful number, since it uses less digits than its factorization.

13312424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664059 (or 1664055 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 13312424 is about 3648.6194649484. The cubic root of 13312424 is about 237.0022016685.

Adding to 13312424 its reverse (42421331), we get a palindrome (55733755).

The spelling of 13312424 in words is "thirteen million, three hundred twelve thousand, four hundred twenty-four".