13530383 has 4 divisors (see below), whose sum is σ = 13562208. Its totient is φ = 13498560.

The previous prime is 13530379. The next prime is 13530397. The reversal of 13530383 is 38303531.

13530383 = T₂ + T₃ + ... + T₄₃₂.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38303531 = 7 ⋅5471933.

It is a cyclic number.

It is not a de Polignac number, because 13530383 - 2² = 13530379 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 (13530323) 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, 15266 + ... + 16127.

It is an arithmetic number, because the mean of its divisors is an integer number (3390552).

Almost surely, 2^13530383 is an apocalyptic number.

13530383 is a deficient number, since it is larger than the sum of its proper divisors (31825).

13530383 is an equidigital number, since it uses as much as digits as its factorization.

13530383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31824.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 13530383 is about 3678.3668930655. The cubic root of 13530383 is about 238.2886536075.

The spelling of 13530383 in words is "thirteen million, five hundred thirty thousand, three hundred eighty-three".