16407313 has 4 divisors (see below), whose sum is σ = 17669428. Its totient is φ = 15145200.

The previous prime is 16407311. The next prime is 16407323. The reversal of 16407313 is 31370461.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3932289 + 12475024 = 1983^2 + 3532^2 .

It is a cyclic number.

It is not a de Polignac number, because 16407313 - 2¹ = 16407311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16407311) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 631038 + ... + 631063.

It is an arithmetic number, because the mean of its divisors is an integer number (4417357).

Almost surely, 2^16407313 is an apocalyptic number.

16407313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16407313 is a deficient number, since it is larger than the sum of its proper divisors (1262115).

16407313 is a wasteful number, since it uses less digits than its factorization.

16407313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262114.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 16407313 is about 4050.5941539483. The cubic root of 16407313 is about 254.1045769802.

Adding to 16407313 its reverse (31370461), we get a palindrome (47777774).

The spelling of 16407313 in words is "sixteen million, four hundred seven thousand, three hundred thirteen".