16725312 has 56 divisors (see below), whose sum is σ = 49174400. Its totient is φ = 5574528.

The previous prime is 16725299. The next prime is 16725341. The reversal of 16725312 is 21352761.

It is a happy number.

It is a super-2 number, since 2×16725312² = 559472122994688, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3112 + ... + 6567.

Almost surely, 2^16725312 is an apocalyptic number.

16725312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16725312 is an abundant number, since it is smaller than the sum of its proper divisors (32449088).

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

16725312 is an equidigital number, since it uses as much as digits as its factorization.

16725312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9700 (or 9684 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 16725312 is about 4089.6591545018. The cubic root of 16725312 is about 255.7357298907.

The spelling of 16725312 in words is "sixteen million, seven hundred twenty-five thousand, three hundred twelve".