13823404 has 12 divisors (see below), whose sum is σ = 27646864. Its totient is φ = 5924304.

The previous prime is 13823387. The next prime is 13823417. The reversal of 13823404 is 40432831.

13823404 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246819 + ... + 246874.

Almost surely, 2^13823404 is an apocalyptic number.

13823404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13823404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13823404 is a wasteful number, since it uses less digits than its factorization.

13823404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493704 (or 493702 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 13823404 is about 3717.9838622565. The cubic root of 13823404 is about 239.9965508764.

The spelling of 13823404 in words is "thirteen million, eight hundred twenty-three thousand, four hundred four".