13824811 has 24 divisors (see below), whose sum is σ = 18903024. Its totient is φ = 9938880.

The previous prime is 13824809. The next prime is 13824841. The reversal of 13824811 is 11842831.

It is not a de Polignac number, because 13824811 - 2¹ = 13824809 is a prime.

It is a super-2 number, since 2×13824811² = 382250798371442, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13824811.

It is not an unprimeable number, because it can be changed into a prime (13824841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6021 + ... + 7993.

It is an arithmetic number, because the mean of its divisors is an integer number (787626).

Almost surely, 2^13824811 is an apocalyptic number.

13824811 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13824811 is a deficient number, since it is larger than the sum of its proper divisors (5078213).

13824811 is a wasteful number, since it uses less digits than its factorization.

13824811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011 (or 2004 counting only the distinct ones).

The product of its digits is 1536, while the sum is 28.

The square root of 13824811 is about 3718.1730728948. The cubic root of 13824811 is about 240.0046931953.

The spelling of 13824811 in words is "thirteen million, eight hundred twenty-four thousand, eight hundred eleven".