10987506 has 12 divisors (see below), whose sum is σ = 23806302. Its totient is φ = 3662496.

The previous prime is 10987499. The next prime is 10987513. The reversal of 10987506 is 60578901.

It is an interprime number because it is at equal distance from previous prime (10987499) and next prime (10987513).

It can be written as a sum of positive squares in only one way, i.e., 10949481 + 38025 = 3309^2 + 195^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 305191 + ... + 305226.

Almost surely, 2^10987506 is an apocalyptic number.

10987506 is an abundant number, since it is smaller than the sum of its proper divisors (12818796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10987506 is a wasteful number, since it uses less digits than its factorization.

10987506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610425 (or 610422 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 10987506 is about 3314.7407138417. The cubic root of 10987506 is about 222.3137759236.

The spelling of 10987506 in words is "ten million, nine hundred eighty-seven thousand, five hundred six".