13824506 has 4 divisors (see below), whose sum is σ = 20736762. Its totient is φ = 6912252.

The previous prime is 13824487. The next prime is 13824511. The reversal of 13824506 is 60542831.

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

It can be written as a sum of positive squares in only one way, i.e., 11498881 + 2325625 = 3391^2 + 1525^2 .

It is a super-2 number, since 2×13824506² = 382233932288072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3456125 + ... + 3456128.

Almost surely, 2^13824506 is an apocalyptic number.

13824506 is a deficient number, since it is larger than the sum of its proper divisors (6912256).

13824506 is an equidigital number, since it uses as much as digits as its factorization.

13824506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6912255.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 13824506 is about 3718.1320579022. The cubic root of 13824506 is about 240.0029282050.

The spelling of 13824506 in words is "thirteen million, eight hundred twenty-four thousand, five hundred six".