11122687 has 4 divisors (see below), whose sum is σ = 11224840. Its totient is φ = 11020536.

The previous prime is 11122663. The next prime is 11122711. The reversal of 11122687 is 78622111.

11122687 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78622111 = 1171 ⋅67141.

It is an interprime number because it is at equal distance from previous prime (11122663) and next prime (11122711).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11122687 is a prime.

It is a pancake number, because a pancake can be divided into 11122687 parts by 4716 straight cuts.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122627) 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, 50913 + ... + 51130.

It is an arithmetic number, because the mean of its divisors is an integer number (2806210).

Almost surely, 2^11122687 is an apocalyptic number.

11122687 is a deficient number, since it is larger than the sum of its proper divisors (102153).

11122687 is a wasteful number, since it uses less digits than its factorization.

11122687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102152.

The product of its digits is 1344, while the sum is 28.

The square root of 11122687 is about 3335.0692646480. The cubic root of 11122687 is about 223.2217826127.

Adding to 11122687 its reverse (78622111), we get a palindrome (89744798).

The spelling of 11122687 in words is "eleven million, one hundred twenty-two thousand, six hundred eighty-seven".