11803012 has 24 divisors (see below), whose sum is σ = 22614872. Its totient is φ = 5358240.

The previous prime is 11803007. The next prime is 11803013. The reversal of 11803012 is 21030811.

It can be written as a sum of positive squares in 4 ways, for example, as 9388096 + 2414916 = 3064^2 + 1554^2 .

It is a super-2 number, since 2×11803012² = 278622184544288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11803013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193462 + ... + 193522.

Almost surely, 2^11803012 is an apocalyptic number.

It is an amenable number.

11803012 is a deficient number, since it is larger than the sum of its proper divisors (10811860).

11803012 is an frugal number, since it uses more digits than its factorization.

11803012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 11803012 is about 3435.5511930402. The cubic root of 11803012 is about 227.6831805659.

Adding to 11803012 its reverse (21030811), we get a palindrome (32833823).

The spelling of 11803012 in words is "eleven million, eight hundred three thousand, twelve".