17121214 has 8 divisors (see below), whose sum is σ = 28016568. Its totient is φ = 7782360.

The previous prime is 17121211. The next prime is 17121229. The reversal of 17121214 is 41212171.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 17121191 and 17121200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17121211) 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, 389097 + ... + 389140.

It is an arithmetic number, because the mean of its divisors is an integer number (3502071).

Almost surely, 2^17121214 is an apocalyptic number.

17121214 is a deficient number, since it is larger than the sum of its proper divisors (10895354).

17121214 is a wasteful number, since it uses less digits than its factorization.

17121214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778250.

The product of its digits is 112, while the sum is 19.

The square root of 17121214 is about 4137.7788727770. The cubic root of 17121214 is about 257.7378403882.

Adding to 17121214 its reverse (41212171), we get a palindrome (58333385).

It can be divided in two parts, 1712 and 1214, that added together give a triangular number (2926 = T₇₆).

The spelling of 17121214 in words is "seventeen million, one hundred twenty-one thousand, two hundred fourteen".