13531363 has 6 divisors (see below), whose sum is σ = 14281404. Its totient is φ = 12818844.

The previous prime is 13531351. The next prime is 13531367. The reversal of 13531363 is 36313531.

It is a de Polignac number, because none of the positive numbers 2^k-13531363 is a prime.

It is the 3679-th Hogben number.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (13531367) by changing a digit.

It is a nontrivial repunit in base 3678.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18381 + ... + 19102.

It is an arithmetic number, because the mean of its divisors is an integer number (2380234).

Almost surely, 2^13531363 is an apocalyptic number.

13531363 is a deficient number, since it is larger than the sum of its proper divisors (750041).

13531363 is an equidigital number, since it uses as much as digits as its factorization.

13531363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37521 (or 37502 counting only the distinct ones).

The product of its digits is 2430, while the sum is 25.

The square root of 13531363 is about 3678.5001019437. The cubic root of 13531363 is about 238.2944065178.

Adding to 13531363 its reverse (36313531), we get a palindrome (49844894).

The spelling of 13531363 in words is "thirteen million, five hundred thirty-one thousand, three hundred sixty-three".