11225687 has 4 divisors (see below), whose sum is σ = 12246216. Its totient is φ = 10205160.

The previous prime is 11225681. The next prime is 11225693. The reversal of 11225687 is 78652211.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (11225681) and next prime (11225693).

It is a cyclic number.

It is not a de Polignac number, because 11225687 - 2⁴ = 11225671 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 (11225681) 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 3 ways as a sum of consecutive naturals, for example, 510248 + ... + 510269.

It is an arithmetic number, because the mean of its divisors is an integer number (3061554).

Almost surely, 2^11225687 is an apocalyptic number.

11225687 is a deficient number, since it is larger than the sum of its proper divisors (1020529).

11225687 is a wasteful number, since it uses less digits than its factorization.

11225687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020528.

The product of its digits is 6720, while the sum is 32.

The square root of 11225687 is about 3350.4756378759. The cubic root of 11225687 is about 223.9087040263.

Adding to 11225687 its reverse (78652211), we get a palindrome (89877898).

The spelling of 11225687 in words is "eleven million, two hundred twenty-five thousand, six hundred eighty-seven".