13498643 has 2 divisors, whose sum is σ = 13498644. Its totient is φ = 13498642.

The previous prime is 13498621. The next prime is 13498657. The reversal of 13498643 is 34689431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13498643 - 2⁶ = 13498579 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13498597 and 13498606.

It is not a weakly prime, because it can be changed into another prime (13492643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6749321 + 6749322.

It is an arithmetic number, because the mean of its divisors is an integer number (6749322).

Almost surely, 2^13498643 is an apocalyptic number.

13498643 is a deficient number, since it is larger than the sum of its proper divisors (1).

13498643 is an equidigital number, since it uses as much as digits as its factorization.

13498643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 38.

The square root of 13498643 is about 3674.0499452239. The cubic root of 13498643 is about 238.1021793678.

It can be divided in two parts, 13498 and 643, that added together give a palindrome (14141).

The spelling of 13498643 in words is "thirteen million, four hundred ninety-eight thousand, six hundred forty-three".