16973413 has 2 divisors, whose sum is σ = 16973414. Its totient is φ = 16973412.

The previous prime is 16973401. The next prime is 16973431. The reversal of 16973413 is 31437961.

Together with next prime (16973431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16916769 + 56644 = 4113^2 + 238^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16973413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16973443) 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 as a sum of consecutive naturals, namely, 8486706 + 8486707.

It is an arithmetic number, because the mean of its divisors is an integer number (8486707).

Almost surely, 2^16973413 is an apocalyptic number.

It is an amenable number.

16973413 is a deficient number, since it is larger than the sum of its proper divisors (1).

16973413 is an equidigital number, since it uses as much as digits as its factorization.

16973413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 34.

The square root of 16973413 is about 4119.8802167053. The cubic root of 16973413 is about 256.9940446873.

The spelling of 16973413 in words is "sixteen million, nine hundred seventy-three thousand, four hundred thirteen".