16912725 has 12 divisors (see below), whose sum is σ = 27962496. Its totient is φ = 9020080.

The previous prime is 16912723. The next prime is 16912729. The reversal of 16912725 is 52721961.

It is not a de Polignac number, because 16912725 - 2¹ = 16912723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16912723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112677 + ... + 112826.

It is an arithmetic number, because the mean of its divisors is an integer number (2330208).

Almost surely, 2^16912725 is an apocalyptic number.

16912725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16912725 is a deficient number, since it is larger than the sum of its proper divisors (11049771).

16912725 is a wasteful number, since it uses less digits than its factorization.

16912725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225516 (or 225511 counting only the distinct ones).

The product of its digits is 7560, while the sum is 33.

The square root of 16912725 is about 4112.5083586541. The cubic root of 16912725 is about 256.6873870568.

The spelling of 16912725 in words is "sixteen million, nine hundred twelve thousand, seven hundred twenty-five".