11313187 has 4 divisors (see below), whose sum is σ = 11367016. Its totient is φ = 11259360.

The previous prime is 11313173. The next prime is 11313193. The reversal of 11313187 is 78131311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78131311 = 71 ⋅1100441.

It is a cyclic number.

It is not a de Polignac number, because 11313187 - 2⁷ = 11313059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11313587) 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, 26598 + ... + 27019.

It is an arithmetic number, because the mean of its divisors is an integer number (2841754).

Almost surely, 2^11313187 is an apocalyptic number.

11313187 is a deficient number, since it is larger than the sum of its proper divisors (53829).

11313187 is an equidigital number, since it uses as much as digits as its factorization.

11313187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53828.

The product of its digits is 504, while the sum is 25.

The square root of 11313187 is about 3363.5081388336. The cubic root of 11313187 is about 224.4889603254.

Adding to 11313187 its reverse (78131311), we get a palindrome (89444498).

The spelling of 11313187 in words is "eleven million, three hundred thirteen thousand, one hundred eighty-seven".