13496321 has 2 divisors, whose sum is σ = 13496322. Its totient is φ = 13496320.

The previous prime is 13496303. The next prime is 13496323. The reversal of 13496321 is 12369431.

13496321 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12567025 + 929296 = 3545^2 + 964^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13496321 is a prime.

It is a Sophie Germain prime.

Together with 13496323, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13496323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6748160 + 6748161.

It is an arithmetic number, because the mean of its divisors is an integer number (6748161).

It is a Proth number, since it is equal to 3295 ⋅ 2¹² + 1 and 3295 < 2¹².

Almost surely, 2^13496321 is an apocalyptic number.

It is an amenable number.

13496321 is a deficient number, since it is larger than the sum of its proper divisors (1).

13496321 is an equidigital number, since it uses as much as digits as its factorization.

13496321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 29.

The square root of 13496321 is about 3673.7339315743. The cubic root of 13496321 is about 238.0885260209.

The spelling of 13496321 in words is "thirteen million, four hundred ninety-six thousand, three hundred twenty-one".