10971087 has 4 divisors (see below), whose sum is σ = 14628120. Its totient is φ = 7314056.

The previous prime is 10971071. The next prime is 10971101. The reversal of 10971087 is 78017901.

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 10971087 - 2⁴ = 10971071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10971017) 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, 1828512 + ... + 1828517.

It is an arithmetic number, because the mean of its divisors is an integer number (3657030).

Almost surely, 2^10971087 is an apocalyptic number.

10971087 is a deficient number, since it is larger than the sum of its proper divisors (3657033).

10971087 is an equidigital number, since it uses as much as digits as its factorization.

10971087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3657032.

The product of its (nonzero) digits is 3528, while the sum is 33.

The square root of 10971087 is about 3312.2631236060. The cubic root of 10971087 is about 222.2029837327.

Adding to 10971087 its reverse (78017901), we get a palindrome (88988988).

The spelling of 10971087 in words is "ten million, nine hundred seventy-one thousand, eighty-seven".