13340357 has 2 divisors, whose sum is σ = 13340358. Its totient is φ = 13340356.

The previous prime is 13340351. The next prime is 13340407. The reversal of 13340357 is 75304331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8473921 + 4866436 = 2911^2 + 2206^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13340357 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13340351) 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, 6670178 + 6670179.

It is an arithmetic number, because the mean of its divisors is an integer number (6670179).

Almost surely, 2^13340357 is an apocalyptic number.

It is an amenable number.

13340357 is a deficient number, since it is larger than the sum of its proper divisors (1).

13340357 is an equidigital number, since it uses as much as digits as its factorization.

13340357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 13340357 is about 3652.4453452447. The cubic root of 13340357 is about 237.1678503785.

Adding to 13340357 its reverse (75304331), we get a palindrome (88644688).

The spelling of 13340357 in words is "thirteen million, three hundred forty thousand, three hundred fifty-seven".