13645351 has 2 divisors, whose sum is σ = 13645352. Its totient is φ = 13645350.

The previous prime is 13645321. The next prime is 13645361. The reversal of 13645351 is 15354631.

It is a strong prime.

It is an emirp because it is prime and its reverse (15354631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13645351 - 2⁷ = 13645223 is a prime.

It is a zygodrome in base 11.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13645321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6822675 + 6822676.

It is an arithmetic number, because the mean of its divisors is an integer number (6822676).

Almost surely, 2^13645351 is an apocalyptic number.

13645351 is a deficient number, since it is larger than the sum of its proper divisors (1).

13645351 is an equidigital number, since it uses as much as digits as its factorization.

13645351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 28.

The square root of 13645351 is about 3693.9614237293. The cubic root of 13645351 is about 238.9616658580.

Adding to 13645351 its reverse (15354631), we get a palindrome (28999982).

The spelling of 13645351 in words is "thirteen million, six hundred forty-five thousand, three hundred fifty-one".