10971018 has 96 divisors (see below), whose sum is σ = 27998400. Its totient is φ = 3172608.

The previous prime is 10971017. The next prime is 10971047. The reversal of 10971018 is 81017901.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 10970982 and 10971000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10971013) 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 47 ways as a sum of consecutive naturals, for example, 296496 + ... + 296532.

It is an arithmetic number, because the mean of its divisors is an integer number (291650).

Almost surely, 2^10971018 is an apocalyptic number.

10971018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10971018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13999200).

10971018 is an abundant number, since it is smaller than the sum of its proper divisors (17027382).

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

10971018 is a wasteful number, since it uses less digits than its factorization.

10971018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 27.

The square root of 10971018 is about 3312.2527077504. The cubic root of 10971018 is about 222.2025179010.

Adding to 10971018 its reverse (81017901), we get a palindrome (91988919).

The spelling of 10971018 in words is "ten million, nine hundred seventy-one thousand, eighteen".