10881187 has 4 divisors (see below), whose sum is σ = 10895416. Its totient is φ = 10866960.

The previous prime is 10881179. The next prime is 10881191. The reversal of 10881187 is 78118801.

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

It is a cyclic number.

It is not a de Polignac number, because 10881187 - 2³ = 10881179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10881127) 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, 5898 + ... + 7519.

It is an arithmetic number, because the mean of its divisors is an integer number (2723854).

Almost surely, 2^10881187 is an apocalyptic number.

10881187 is a deficient number, since it is larger than the sum of its proper divisors (14229).

10881187 is an equidigital number, since it uses as much as digits as its factorization.

10881187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14228.

The product of its (nonzero) digits is 3584, while the sum is 34.

The square root of 10881187 is about 3298.6644267036. The cubic root of 10881187 is about 221.5943882790.

Adding to 10881187 its reverse (78118801), we get a palindrome (88999988).

The spelling of 10881187 in words is "ten million, eight hundred eighty-one thousand, one hundred eighty-seven".