10997587 has 4 divisors (see below), whose sum is σ = 11106576. Its totient is φ = 10888600.

The previous prime is 10997579. The next prime is 10997593. The reversal of 10997587 is 78579901.

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 10997587 - 2³ = 10997579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10997537) 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, 54343 + ... + 54544.

It is an arithmetic number, because the mean of its divisors is an integer number (2776644).

Almost surely, 2^10997587 is an apocalyptic number.

10997587 is a deficient number, since it is larger than the sum of its proper divisors (108989).

10997587 is a wasteful number, since it uses less digits than its factorization.

10997587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108988.

The product of its (nonzero) digits is 158760, while the sum is 46.

The square root of 10997587 is about 3316.2609969663. The cubic root of 10997587 is about 222.3817458557.

The spelling of 10997587 in words is "ten million, nine hundred ninety-seven thousand, five hundred eighty-seven".