11520297 has 12 divisors (see below), whose sum is σ = 16773120. Its totient is φ = 7618968.

The previous prime is 11520293. The next prime is 11520307. The reversal of 11520297 is 79202511.

It is not a de Polignac number, because 11520297 - 2² = 11520293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11520297.

It is not an unprimeable number, because it can be changed into a prime (11520293) 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 11 ways as a sum of consecutive naturals, for example, 3897 + ... + 6182.

It is an arithmetic number, because the mean of its divisors is an integer number (1397760).

Almost surely, 2^11520297 is an apocalyptic number.

It is an amenable number.

11520297 is a deficient number, since it is larger than the sum of its proper divisors (5252823).

11520297 is a wasteful number, since it uses less digits than its factorization.

11520297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10212 (or 10209 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 11520297 is about 3394.1563016455. The cubic root of 11520297 is about 225.8505878016.

The spelling of 11520297 in words is "eleven million, five hundred twenty thousand, two hundred ninety-seven".