13500235 has 12 divisors (see below), whose sum is σ = 18845568. Its totient is φ = 9257136.

The previous prime is 13500211. The next prime is 13500259. The reversal of 13500235 is 53200531.

It is an interprime number because it is at equal distance from previous prime (13500211) and next prime (13500259).

It is not a de Polignac number, because 13500235 - 2¹³ = 13492043 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27307 + ... + 27796.

It is an arithmetic number, because the mean of its divisors is an integer number (1570464).

Almost surely, 2^13500235 is an apocalyptic number.

13500235 is a deficient number, since it is larger than the sum of its proper divisors (5345333).

13500235 is an equidigital number, since it uses as much as digits as its factorization.

13500235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55122 (or 55115 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 13500235 is about 3674.2665934850. The cubic root of 13500235 is about 238.1115394141. Note that the first 3 decimals are identical.

Adding to 13500235 its reverse (53200531), we get a palindrome (66700766).

The spelling of 13500235 in words is "thirteen million, five hundred thousand, two hundred thirty-five".