16894013 has 2 divisors, whose sum is σ = 16894014. Its totient is φ = 16894012.

The previous prime is 16893991. The next prime is 16894027. The reversal of 16894013 is 31049861.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10876804 + 6017209 = 3298^2 + 2453^2 .

It is an emirp because it is prime and its reverse (31049861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16894013 - 2⁶ = 16893949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16894063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8447006 + 8447007.

It is an arithmetic number, because the mean of its divisors is an integer number (8447007).

Almost surely, 2^16894013 is an apocalyptic number.

It is an amenable number.

16894013 is a deficient number, since it is larger than the sum of its proper divisors (1).

16894013 is an equidigital number, since it uses as much as digits as its factorization.

16894013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 16894013 is about 4110.2327184723. The cubic root of 16894013 is about 256.5926870238.

The spelling of 16894013 in words is "sixteen million, eight hundred ninety-four thousand, thirteen".