11772207 has 24 divisors (see below), whose sum is σ = 17738448. Its totient is φ = 7516800.

The previous prime is 11772193. The next prime is 11772209. The reversal of 11772207 is 70227711.

It is not a de Polignac number, because 11772207 - 2¹⁰ = 11771183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11772209) 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 in 23 ways as a sum of consecutive naturals, for example, 22248 + ... + 22770.

It is an arithmetic number, because the mean of its divisors is an integer number (739102).

Almost surely, 2^11772207 is an apocalyptic number.

11772207 is a deficient number, since it is larger than the sum of its proper divisors (5966241).

11772207 is a wasteful number, since it uses less digits than its factorization.

11772207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631 (or 628 counting only the distinct ones).

The product of its (nonzero) digits is 1372, while the sum is 27.

The square root of 11772207 is about 3431.0649950125. The cubic root of 11772207 is about 227.4849291631.

Adding to 11772207 its reverse (70227711), we get a palindrome (81999918).

The spelling of 11772207 in words is "eleven million, seven hundred seventy-two thousand, two hundred seven".