11144997 has 6 divisors (see below), whose sum is σ = 16098342. Its totient is φ = 7429992.

The previous prime is 11144957. The next prime is 11145007. The reversal of 11144997 is 79944111.

It can be written as a sum of positive squares in only one way, i.e., 9054081 + 2090916 = 3009^2 + 1446^2 .

It is not a de Polignac number, because 11144997 - 2¹⁸ = 10882853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11144957) 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 5 ways as a sum of consecutive naturals, for example, 619158 + ... + 619175.

It is an arithmetic number, because the mean of its divisors is an integer number (2683057).

Almost surely, 2^11144997 is an apocalyptic number.

It is an amenable number.

11144997 is a deficient number, since it is larger than the sum of its proper divisors (4953345).

11144997 is a wasteful number, since it uses less digits than its factorization.

11144997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238339 (or 1238336 counting only the distinct ones).

The product of its digits is 9072, while the sum is 36.

The square root of 11144997 is about 3338.4123472094. The cubic root of 11144997 is about 223.3709297860.

The spelling of 11144997 in words is "eleven million, one hundred forty-four thousand, nine hundred ninety-seven".