10981487 has 8 divisors (see below), whose sum is σ = 12610560. Its totient is φ = 9457560.

The previous prime is 10981483. The next prime is 10981513. The reversal of 10981487 is 78418901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10981487 - 2² = 10981483 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10981487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10981483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26063 + ... + 26480.

It is an arithmetic number, because the mean of its divisors is an integer number (1576320).

Almost surely, 2^10981487 is an apocalyptic number.

10981487 is a deficient number, since it is larger than the sum of its proper divisors (1629073).

10981487 is a wasteful number, since it uses less digits than its factorization.

10981487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52573.

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 10981487 is about 3313.8326753172. The cubic root of 10981487 is about 222.2731737150.

It can be divided in two parts, 109814 and 87, that added together give a palindrome (109901).

The spelling of 10981487 in words is "ten million, nine hundred eighty-one thousand, four hundred eighty-seven".