13174321 has 2 divisors, whose sum is σ = 13174322. Its totient is φ = 13174320.

The previous prime is 13174319. The next prime is 13174327. The reversal of 13174321 is 12347131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8785296 + 4389025 = 2964^2 + 2095^2 .

It is a cyclic number.

It is not a de Polignac number, because 13174321 - 2¹ = 13174319 is a prime.

It is a super-2 number, since 2×13174321² = 347125467622082, which contains 22 as substring.

Together with 13174319, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 13174292 and 13174301.

It is not a weakly prime, because it can be changed into another prime (13174327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6587160 + 6587161.

It is an arithmetic number, because the mean of its divisors is an integer number (6587161).

Almost surely, 2^13174321 is an apocalyptic number.

It is an amenable number.

13174321 is a deficient number, since it is larger than the sum of its proper divisors (1).

13174321 is an equidigital number, since it uses as much as digits as its factorization.

13174321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504, while the sum is 22.

The square root of 13174321 is about 3629.6447484568. The cubic root of 13174321 is about 236.1797981089.

The spelling of 13174321 in words is "thirteen million, one hundred seventy-four thousand, three hundred twenty-one".