11906404 has 6 divisors (see below), whose sum is σ = 20836214. Its totient is φ = 5953200.

The previous prime is 11906371. The next prime is 11906417. The reversal of 11906404 is 40460911.

It can be written as a sum of positive squares in only one way, i.e., 11546404 + 360000 = 3398^2 + 600^2 .

It is a super-2 number, since 2×11906404² = 283524912422432, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1488297 + ... + 1488304.

Almost surely, 2^11906404 is an apocalyptic number.

It is an amenable number.

11906404 is a deficient number, since it is larger than the sum of its proper divisors (8929810).

11906404 is a wasteful number, since it uses less digits than its factorization.

11906404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2976605 (or 2976603 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 11906404 is about 3450.5657507139. The cubic root of 11906404 is about 228.3460682805.

The spelling of 11906404 in words is "eleven million, nine hundred six thousand, four hundred four".