10981917 has 12 divisors (see below), whose sum is σ = 15940704. Its totient is φ = 7285320.

The previous prime is 10981913. The next prime is 10981921. The reversal of 10981917 is 71918901.

10981917 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10981913) and next prime (10981921).

It is not a de Polignac number, because 10981917 - 2² = 10981913 is a prime.

It is a super-3 number, since 3×10981917³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10981913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 993 + ... + 4790.

It is an arithmetic number, because the mean of its divisors is an integer number (1328392).

Almost surely, 2^10981917 is an apocalyptic number.

It is an amenable number.

10981917 is a deficient number, since it is larger than the sum of its proper divisors (4958787).

10981917 is a wasteful number, since it uses less digits than its factorization.

10981917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6000 (or 5997 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 36.

The square root of 10981917 is about 3313.8975542403. The cubic root of 10981917 is about 222.2760748466.

The spelling of 10981917 in words is "ten million, nine hundred eighty-one thousand, nine hundred seventeen".