10650978 has 48 divisors (see below), whose sum is σ = 25945920. Its totient is φ = 3133152.

The previous prime is 10650977. The next prime is 10650979. The reversal of 10650978 is 87905601.

It is an interprime number because it is at equal distance from previous prime (10650977) and next prime (10650979).

It is a super-2 number, since 2×10650978² = 226886664712968, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10650973) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4393 + ... + 6371.

It is an arithmetic number, because the mean of its divisors is an integer number (540540).

Almost surely, 2^10650978 is an apocalyptic number.

10650978 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 10650978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12972960).

10650978 is an abundant number, since it is smaller than the sum of its proper divisors (15294942).

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

10650978 is a wasteful number, since it uses less digits than its factorization.

10650978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2023 (or 2020 counting only the distinct ones).

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

The square root of 10650978 is about 3263.5836131468. The cubic root of 10650978 is about 220.0205077301.

It can be divided in two parts, 10650 and 978, that added together give a triangular number (11628 = T₁₅₂).

The spelling of 10650978 in words is "ten million, six hundred fifty thousand, nine hundred seventy-eight".