11630287 has 4 divisors (see below), whose sum is σ = 11789680. Its totient is φ = 11470896.

The previous prime is 11630273. The next prime is 11630303. The reversal of 11630287 is 78203611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78203611 = 23 ⋅3400157.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11630287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11630237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79587 + ... + 79732.

It is an arithmetic number, because the mean of its divisors is an integer number (2947420).

Almost surely, 2^11630287 is an apocalyptic number.

11630287 is a deficient number, since it is larger than the sum of its proper divisors (159393).

11630287 is an equidigital number, since it uses as much as digits as its factorization.

11630287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159392.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 11630287 is about 3410.3206594102. The cubic root of 11630287 is about 226.5670816386.

Adding to 11630287 its reverse (78203611), we get a palindrome (89833898).

It can be divided in two parts, 116 and 30287, that added together give a palindrome (30403).

The spelling of 11630287 in words is "eleven million, six hundred thirty thousand, two hundred eighty-seven".