11820104 has 8 divisors (see below), whose sum is σ = 22162710. Its totient is φ = 5910048.

The previous prime is 11820103. The next prime is 11820121. The reversal of 11820104 is 40102811.

It can be written as a sum of positive squares in only one way, i.e., 10824100 + 996004 = 3290^2 + 998^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (11820103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 738749 + ... + 738764.

Almost surely, 2^11820104 is an apocalyptic number.

It is an amenable number.

11820104 is a deficient number, since it is larger than the sum of its proper divisors (10342606).

11820104 is a wasteful number, since it uses less digits than its factorization.

11820104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477519 (or 1477515 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 11820104 is about 3438.0378124739. The cubic root of 11820104 is about 227.7930306044.

Adding to 11820104 its reverse (40102811), we get a palindrome (51922915).

The spelling of 11820104 in words is "eleven million, eight hundred twenty thousand, one hundred four".