11538463 has 4 divisors (see below), whose sum is σ = 11558080. Its totient is φ = 11518848.

The previous prime is 11538451. The next prime is 11538467. The reversal of 11538463 is 36483511.

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

It is a cyclic number.

It is not a de Polignac number, because 11538463 - 2¹³ = 11530271 is a prime.

It is a super-2 number, since 2×11538463² = 266272256804738, 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 (11538467) 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, 8898 + ... + 10111.

It is an arithmetic number, because the mean of its divisors is an integer number (2889520).

Almost surely, 2^11538463 is an apocalyptic number.

11538463 is a deficient number, since it is larger than the sum of its proper divisors (19617).

11538463 is an equidigital number, since it uses as much as digits as its factorization.

11538463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19616.

The product of its digits is 8640, while the sum is 31.

The square root of 11538463 is about 3396.8313175664. The cubic root of 11538463 is about 225.9692377270.

The spelling of 11538463 in words is "eleven million, five hundred thirty-eight thousand, four hundred sixty-three".