11020904 has 16 divisors (see below), whose sum is σ = 20956320. Its totient is φ = 5432560.

The previous prime is 11020861. The next prime is 11020921. The reversal of 11020904 is 40902011.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9134 + ... + 10269.

It is an arithmetic number, because the mean of its divisors is an integer number (1309770).

Almost surely, 2^11020904 is an apocalyptic number.

It is an amenable number.

11020904 is a deficient number, since it is larger than the sum of its proper divisors (9935416).

11020904 is a wasteful number, since it uses less digits than its factorization.

11020904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19480 (or 19476 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 11020904 is about 3319.7746911500. The cubic root of 11020904 is about 222.5387989403.

Adding to 11020904 its reverse (40902011), we get a palindrome (51922915).

It can be divided in two parts, 110 and 20904, that multiplied together give a triangular number (2299440 = T₂₁₄₄).

The spelling of 11020904 in words is "eleven million, twenty thousand, nine hundred four".