11663453 has 4 divisors (see below), whose sum is σ = 11692380. Its totient is φ = 11634528.

The previous prime is 11663437. The next prime is 11663489. The reversal of 11663453 is 35436611.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10413529 + 1249924 = 3227^2 + 1118^2 .

It is a cyclic number.

It is not a de Polignac number, because 11663453 - 2⁴ = 11663437 is a prime.

It is a super-2 number, since 2×11663453² = 272072271766418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11663413) 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, 13850 + ... + 14667.

It is an arithmetic number, because the mean of its divisors is an integer number (2923095).

Almost surely, 2^11663453 is an apocalyptic number.

It is an amenable number.

11663453 is a deficient number, since it is larger than the sum of its proper divisors (28927).

11663453 is an equidigital number, since it uses as much as digits as its factorization.

11663453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28926.

The product of its digits is 6480, while the sum is 29.

The square root of 11663453 is about 3415.1797902892. The cubic root of 11663453 is about 226.7822437774.

The spelling of 11663453 in words is "eleven million, six hundred sixty-three thousand, four hundred fifty-three".