11772243 has 32 divisors (see below), whose sum is σ = 20096000. Its totient is φ = 6671808.

The previous prime is 11772221. The next prime is 11772263. The reversal of 11772243 is 34227711.

It is a happy number.

11772243 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11772243 - 2⁹ = 11771731 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11772263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37455 + ... + 37767.

It is an arithmetic number, because the mean of its divisors is an integer number (628000).

Almost surely, 2^11772243 is an apocalyptic number.

11772243 is a deficient number, since it is larger than the sum of its proper divisors (8323757).

11772243 is a wasteful number, since it uses less digits than its factorization.

11772243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528 (or 522 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 11772243 is about 3431.0702411930. The cubic root of 11772243 is about 227.4851610496.

Adding to 11772243 its reverse (34227711), we get a palindrome (45999954).

The spelling of 11772243 in words is "eleven million, seven hundred seventy-two thousand, two hundred forty-three".