13824145 has 16 divisors (see below), whose sum is σ = 17746560. Its totient is φ = 10301184.

The previous prime is 13824121. The next prime is 13824169. The reversal of 13824145 is 54142831.

It is an interprime number because it is at equal distance from previous prime (13824121) and next prime (13824169).

It is not a de Polignac number, because 13824145 - 2⁷ = 13824017 is a prime.

It is a super-2 number, since 2×13824145² = 382213969962050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7966 + ... + 9544.

It is an arithmetic number, because the mean of its divisors is an integer number (1109160).

Almost surely, 2^13824145 is an apocalyptic number.

It is an amenable number.

13824145 is a deficient number, since it is larger than the sum of its proper divisors (3922415).

13824145 is a wasteful number, since it uses less digits than its factorization.

13824145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704.

The product of its digits is 3840, while the sum is 28.

The square root of 13824145 is about 3718.0835117033. The cubic root of 13824145 is about 240.0008391174. Note that the first 3 decimals are identical.

Adding to 13824145 its reverse (54142831), we get a palindrome (67966976).

The spelling of 13824145 in words is "thirteen million, eight hundred twenty-four thousand, one hundred forty-five".