13817453 has 4 divisors (see below), whose sum is σ = 14880348. Its totient is φ = 12754560.

The previous prime is 13817443. The next prime is 13817459. The reversal of 13817453 is 35471831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35471831 = 2281 ⋅15551.

It can be written as a sum of positive squares in 2 ways, for example, as 7279204 + 6538249 = 2698^2 + 2557^2 .

It is not a de Polignac number, because 13817453 - 2⁴ = 13817437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13817459) 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, 531428 + ... + 531453.

It is an arithmetic number, because the mean of its divisors is an integer number (3720087).

Almost surely, 2^13817453 is an apocalyptic number.

13817453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13817453 is a deficient number, since it is larger than the sum of its proper divisors (1062895).

13817453 is a wasteful number, since it uses less digits than its factorization.

13817453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062894.

The product of its digits is 10080, while the sum is 32.

The square root of 13817453 is about 3717.1834767738. The cubic root of 13817453 is about 239.9621062858.

The spelling of 13817453 in words is "thirteen million, eight hundred seventeen thousand, four hundred fifty-three".