11662004 has 6 divisors (see below), whose sum is σ = 20408514. Its totient is φ = 5831000.

The previous prime is 11662003. The next prime is 11662033. The reversal of 11662004 is 40026611.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11546404 + 115600 = 3398^2 + 340^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11662003) by changing a digit.

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, 1457747 + ... + 1457754.

It is an arithmetic number, because the mean of its divisors is an integer number (3401419).

Almost surely, 2^11662004 is an apocalyptic number.

It is an amenable number.

11662004 is a deficient number, since it is larger than the sum of its proper divisors (8746510).

11662004 is a wasteful number, since it uses less digits than its factorization.

11662004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2915505 (or 2915503 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 11662004 is about 3414.9676425993. The cubic root of 11662004 is about 226.7728520167.

Adding to 11662004 its reverse (40026611), we get a palindrome (51688615).

The spelling of 11662004 in words is "eleven million, six hundred sixty-two thousand, four".