11804397 has 24 divisors (see below), whose sum is σ = 17875200. Its totient is φ = 6916800.

The previous prime is 11804383. The next prime is 11804399. The reversal of 11804397 is 79340811.

11804397 = T₄₃₈ + T₄₃₉ + ... + T₅₃₆.

It is not a de Polignac number, because 11804397 - 2⁶ = 11804333 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11804399) 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, 10729 + ... + 11777.

It is an arithmetic number, because the mean of its divisors is an integer number (744800).

Almost surely, 2^11804397 is an apocalyptic number.

It is an amenable number.

11804397 is a deficient number, since it is larger than the sum of its proper divisors (6070803).

11804397 is a wasteful number, since it uses less digits than its factorization.

11804397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105 (or 1094 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 11804397 is about 3435.7527559474. The cubic root of 11804397 is about 227.6920858880.

It can be divided in two parts, 11 and 804397, that added together give a palindrome (804408).

The spelling of 11804397 in words is "eleven million, eight hundred four thousand, three hundred ninety-seven".