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16413 = 35471

16413 has 4 divisors (see below), whose sum is σ = 21888. Its totient is φ = 10940.

The previous prime is 16411. The next prime is 16417. The reversal of 16413 is 31461.

Adding to 16413 its reverse (31461), we get a palindrome (47874).

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31461 = 310487.

It is a cyclic number.

It is not a de Polignac number, because 16413 - 21 = 16411 is a prime.

It is a D-number.

16413 is a lucky number.

It is a plaindrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 16392 and 16401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2733 + ... + 2738.

It is an arithmetic number, because the mean of its divisors is an integer number (5472).

216413 is an apocalyptic number.

It is an amenable number.

16413 is a deficient number, since it is larger than the sum of its proper divisors (5475).

16413 is an equidigital number, since it uses as much as digits as its factorization.

16413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5474.

The product of its digits is 72, while the sum is 15.

The square root of 16413 is about 128.1132311668. The cubic root of 16413 is about 25.4133932301.

The spelling of 16413 in words is "sixteen thousand, four hundred thirteen".

Divisors: 1 3 5471 16413