16312705 has 8 divisors (see below), whose sum is σ = 19597032. Its totient is φ = 13035648.

The previous prime is 16312693. The next prime is 16312717. The reversal of 16312705 is 50721361.

16312705 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 (16312693) and next prime (16312717).

It can be written as a sum of positive squares in 4 ways, for example, as 304704 + 16008001 = 552^2 + 4001^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16312705 - 2⁷ = 16312577 is a prime.

It is a super-2 number, since 2×16312705² = 532208688834050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16312705.

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, 7189 + ... + 9181.

It is an arithmetic number, because the mean of its divisors is an integer number (2449629).

Almost surely, 2^16312705 is an apocalyptic number.

It is an amenable number.

16312705 is a deficient number, since it is larger than the sum of its proper divisors (3284327).

16312705 is a wasteful number, since it uses less digits than its factorization.

16312705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3635.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 16312705 is about 4038.8989836340. The cubic root of 16312705 is about 253.6152284887.

The spelling of 16312705 in words is "sixteen million, three hundred twelve thousand, seven hundred five".