10981632 has 72 divisors (see below), whose sum is σ = 29760640. Its totient is φ = 3594240.

The previous prime is 10981627. The next prime is 10981651. The reversal of 10981632 is 23618901.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 10981632.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60582 + ... + 60762.

Almost surely, 2^10981632 is an apocalyptic number.

10981632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10981632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14880320).

10981632 is an abundant number, since it is smaller than the sum of its proper divisors (18779008).

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

10981632 is an equidigital number, since it uses as much as digits as its factorization.

10981632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 10981632 is about 3313.8545532356. The cubic root of 10981632 is about 222.2741520120.

The spelling of 10981632 in words is "ten million, nine hundred eighty-one thousand, six hundred thirty-two".