11420404 has 6 divisors (see below), whose sum is σ = 19985714. Its totient is φ = 5710200.

The previous prime is 11420401. The next prime is 11420417. The reversal of 11420404 is 40402411.

11420404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11356900 + 63504 = 3370^2 + 252^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11420401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1427547 + ... + 1427554.

Almost surely, 2^11420404 is an apocalyptic number.

It is an amenable number.

11420404 is a deficient number, since it is larger than the sum of its proper divisors (8565310).

11420404 is a wasteful number, since it uses less digits than its factorization.

11420404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2855105 (or 2855103 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 11420404 is about 3379.4088240401. The cubic root of 11420404 is about 225.1959050982.

Adding to 11420404 its reverse (40402411), we get a palindrome (51822815).

The spelling of 11420404 in words is "eleven million, four hundred twenty thousand, four hundred four".