10128732 has 12 divisors (see below), whose sum is σ = 23633736. Its totient is φ = 3376240.

The previous prime is 10128731. The next prime is 10128733. The reversal of 10128732 is 23782101.

10128732 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 (10128731) and next prime (10128733).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10128731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422019 + ... + 422042.

It is an arithmetic number, because the mean of its divisors is an integer number (1969478).

Almost surely, 2^10128732 is an apocalyptic number.

10128732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10128732 is an abundant number, since it is smaller than the sum of its proper divisors (13505004).

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

10128732 is a wasteful number, since it uses less digits than its factorization.

10128732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844068 (or 844066 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 10128732 is about 3182.5668885351. The cubic root of 10128732 is about 216.3640124064.

The spelling of 10128732 in words is "ten million, one hundred twenty-eight thousand, seven hundred thirty-two".