11404 has 6 divisors (see below), whose sum is σ = 19964.
Its totient is φ = 5700.
The previous prime is 11399. The next prime is 11411. The reversal of 11404 is 40411.
Adding to 11404 its reverse (40411), we get a palindrome (51815).
It can be divided in two parts, 1140 and 4, that multiplied together give a triangular number (4560 = T95).
It is a plaindrome in base 6.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1422 + ... + 1429.
211404 is an apocalyptic number.
It is an amenable number.
11404 is a deficient number, since it is larger than the sum of its proper divisors (8560).
11404 is a wasteful number, since it uses less digits than its factorization.
11404 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2855 (or 2853 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 10.
The square root of 11404 is about 106.7895125937.
The cubic root of 11404 is about 22.5088031397.
The spelling of 11404 in words is "eleven thousand, four hundred four", and thus it is an iban number.