13553463 has 32 divisors (see below), whose sum is σ = 23519232. Its totient is φ = 6732000.

The previous prime is 13553459. The next prime is 13553467. The reversal of 13553463 is 36435531.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13553459) and next prime (13553467).

It is not a de Polignac number, because 13553463 - 2² = 13553459 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 13553463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13553467) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4038 + ... + 6588.

It is an arithmetic number, because the mean of its divisors is an integer number (734976).

Almost surely, 2^13553463 is an apocalyptic number.

13553463 is a deficient number, since it is larger than the sum of its proper divisors (9965769).

13553463 is a wasteful number, since it uses less digits than its factorization.

13553463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2595.

The product of its digits is 16200, while the sum is 30.

The square root of 13553463 is about 3681.5028181437. The cubic root of 13553463 is about 238.4240668221.

Adding to 13553463 its reverse (36435531), we get a palindrome (49988994).

The spelling of 13553463 in words is "thirteen million, five hundred fifty-three thousand, four hundred sixty-three".