11452287 has 24 divisors (see below), whose sum is σ = 19186048. Its totient is φ = 5947920.

The previous prime is 11452279. The next prime is 11452291. The reversal of 11452287 is 78225411.

It is not a de Polignac number, because 11452287 - 2³ = 11452279 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11452247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 288 + ... + 4794.

Almost surely, 2^11452287 is an apocalyptic number.

11452287 is a deficient number, since it is larger than the sum of its proper divisors (7733761).

11452287 is a wasteful number, since it uses less digits than its factorization.

11452287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4539 (or 4528 counting only the distinct ones).

The product of its digits is 4480, while the sum is 30.

The square root of 11452287 is about 3384.1227814605. The cubic root of 11452287 is about 225.4052745114.

Adding to 11452287 its reverse (78225411), we get a palindrome (89677698).

The spelling of 11452287 in words is "eleven million, four hundred fifty-two thousand, two hundred eighty-seven".