13500455 has 4 divisors (see below), whose sum is σ = 16200552. Its totient is φ = 10800360.

The previous prime is 13500451. The next prime is 13500463. The reversal of 13500455 is 55400531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55400531 = 3769 ⋅14699.

It is not a de Polignac number, because 13500455 - 2² = 13500451 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13500455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13500451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1350041 + ... + 1350050.

It is an arithmetic number, because the mean of its divisors is an integer number (4050138).

Almost surely, 2^13500455 is an apocalyptic number.

13500455 is a deficient number, since it is larger than the sum of its proper divisors (2700097).

13500455 is an equidigital number, since it uses as much as digits as its factorization.

13500455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2700096.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 13500455 is about 3674.2965313104. The cubic root of 13500455 is about 238.1128328299.

Adding to 13500455 its reverse (55400531), we get a palindrome (68900986).

The spelling of 13500455 in words is "thirteen million, five hundred thousand, four hundred fifty-five".