11772003 has 8 divisors (see below), whose sum is σ = 15715600. Its totient is φ = 7838208.

The previous prime is 11771983. The next prime is 11772029. The reversal of 11772003 is 30027711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11772003 - 2¹⁷ = 11640931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11772403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1083 + ... + 4971.

It is an arithmetic number, because the mean of its divisors is an integer number (1964450).

Almost surely, 2^11772003 is an apocalyptic number.

11772003 is a deficient number, since it is larger than the sum of its proper divisors (3943597).

11772003 is a wasteful number, since it uses less digits than its factorization.

11772003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4901.

The product of its (nonzero) digits is 294, while the sum is 21.

The square root of 11772003 is about 3431.0352665048. The cubic root of 11772003 is about 227.4836151304.

Adding to 11772003 its reverse (30027711), we get a palindrome (41799714).

The spelling of 11772003 in words is "eleven million, seven hundred seventy-two thousand, three".