13824436 has 6 divisors (see below), whose sum is σ = 24192770. Its totient is φ = 6912216.

The previous prime is 13824409. The next prime is 13824443. The reversal of 13824436 is 63442831.

It can be written as a sum of positive squares in only one way, i.e., 13734436 + 90000 = 3706^2 + 300^2 .

It is a super-2 number, since 2×13824436² = 382230061436192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13824398 and 13824407.

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 as a sum of consecutive naturals, namely, 1728051 + ... + 1728058.

Almost surely, 2^13824436 is an apocalyptic number.

It is an amenable number.

13824436 is a deficient number, since it is larger than the sum of its proper divisors (10368334).

13824436 is a wasteful number, since it uses less digits than its factorization.

13824436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3456113 (or 3456111 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

The square root of 13824436 is about 3718.1226445614. The cubic root of 13824436 is about 240.0025231216.

The spelling of 13824436 in words is "thirteen million, eight hundred twenty-four thousand, four hundred thirty-six".