13884020 has 12 divisors (see below), whose sum is σ = 29156484. Its totient is φ = 5553600.

The previous prime is 13883983. The next prime is 13884023. The reversal of 13884020 is 2048831.

It can be written as a sum of positive squares in 2 ways, for example, as 2446096 + 11437924 = 1564^2 + 3382^2 .

It is a super-2 number, since 2×13884020² = 385532022720800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13884023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347081 + ... + 347120.

It is an arithmetic number, because the mean of its divisors is an integer number (2429707).

Almost surely, 2^13884020 is an apocalyptic number.

13884020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13884020 is an abundant number, since it is smaller than the sum of its proper divisors (15272464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13884020 is a wasteful number, since it uses less digits than its factorization.

13884020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694210 (or 694208 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 13884020 is about 3726.1266752487. The cubic root of 13884020 is about 240.3468364900.

The spelling of 13884020 in words is "thirteen million, eight hundred eighty-four thousand, twenty".