10987975 has 6 divisors (see below), whose sum is σ = 13625120. Its totient is φ = 8790360.

The previous prime is 10987973. The next prime is 10987979. The reversal of 10987975 is 57978901.

It is not a de Polignac number, because 10987975 - 2¹ = 10987973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10987973) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 219735 + ... + 219784.

Almost surely, 2^10987975 is an apocalyptic number.

10987975 is a deficient number, since it is larger than the sum of its proper divisors (2637145).

10987975 is an equidigital number, since it uses as much as digits as its factorization.

10987975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439529 (or 439524 counting only the distinct ones).

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

The square root of 10987975 is about 3314.8114576850. The cubic root of 10987975 is about 222.3169390217.

The spelling of 10987975 in words is "ten million, nine hundred eighty-seven thousand, nine hundred seventy-five".