16334013 has 4 divisors (see below), whose sum is σ = 21778688. Its totient is φ = 10889340.

The previous prime is 16334009. The next prime is 16334027. The reversal of 16334013 is 31043361.

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: 31043361 = 3 ⋅10347787.

It is not a de Polignac number, because 16334013 - 2² = 16334009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16334033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2722333 + ... + 2722338.

It is an arithmetic number, because the mean of its divisors is an integer number (5444672).

Almost surely, 2^16334013 is an apocalyptic number.

It is an amenable number.

16334013 is a deficient number, since it is larger than the sum of its proper divisors (5444675).

16334013 is an equidigital number, since it uses as much as digits as its factorization.

16334013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5444674.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 16334013 is about 4041.5359703954. The cubic root of 16334013 is about 253.7256063004.

Adding to 16334013 its reverse (31043361), we get a palindrome (47377374).

The spelling of 16334013 in words is "sixteen million, three hundred thirty-four thousand, thirteen".