13498321 has 2 divisors, whose sum is σ = 13498322. Its totient is φ = 13498320.

The previous prime is 13498301. The next prime is 13498327. The reversal of 13498321 is 12389431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9641025 + 3857296 = 3105^2 + 1964^2 .

It is a cyclic number.

It is not a de Polignac number, because 13498321 - 2¹⁵ = 13465553 is a prime.

It is not a weakly prime, because it can be changed into another prime (13498327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6749160 + 6749161.

It is an arithmetic number, because the mean of its divisors is an integer number (6749161).

Almost surely, 2^13498321 is an apocalyptic number.

It is an amenable number.

13498321 is a deficient number, since it is larger than the sum of its proper divisors (1).

13498321 is an equidigital number, since it uses as much as digits as its factorization.

13498321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 31.

The square root of 13498321 is about 3674.0061241103. The cubic root of 13498321 is about 238.1002861031.

The spelling of 13498321 in words is "thirteen million, four hundred ninety-eight thousand, three hundred twenty-one".