17212379 has 2 divisors, whose sum is σ = 17212380. Its totient is φ = 17212378.

The previous prime is 17212373. The next prime is 17212411. The reversal of 17212379 is 97321271.

It is an a-pointer prime, because the next prime (17212411) can be obtained adding 17212379 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17212379 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (17212373) 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, 8606189 + 8606190.

It is an arithmetic number, because the mean of its divisors is an integer number (8606190).

Almost surely, 2^17212379 is an apocalyptic number.

17212379 is a deficient number, since it is larger than the sum of its proper divisors (1).

17212379 is an equidigital number, since it uses as much as digits as its factorization.

17212379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5292, while the sum is 32.

The square root of 17212379 is about 4148.7804232087. The cubic root of 17212379 is about 258.1944880897.

The spelling of 17212379 in words is "seventeen million, two hundred twelve thousand, three hundred seventy-nine".