11197904 has 20 divisors (see below), whose sum is σ = 21766464. Its totient is φ = 5580768.

The previous prime is 11197903. The next prime is 11197919. The reversal of 11197904 is 40979111.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11197903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4919 + ... + 6825.

Almost surely, 2^11197904 is an apocalyptic number.

It is an amenable number.

11197904 is a deficient number, since it is larger than the sum of its proper divisors (10568560).

11197904 is a wasteful number, since it uses less digits than its factorization.

11197904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2282 (or 2276 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 32.

The square root of 11197904 is about 3346.3269415883. The cubic root of 11197904 is about 223.7238305692.

The spelling of 11197904 in words is "eleven million, one hundred ninety-seven thousand, nine hundred four".