11548643 has 4 divisors (see below), whose sum is σ = 11663088. Its totient is φ = 11434200.

The previous prime is 11548633. The next prime is 11548657. The reversal of 11548643 is 34684511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34684511 = 101 ⋅343411.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11548643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11548613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57071 + ... + 57272.

It is an arithmetic number, because the mean of its divisors is an integer number (2915772).

Almost surely, 2^11548643 is an apocalyptic number.

11548643 is a deficient number, since it is larger than the sum of its proper divisors (114445).

11548643 is a wasteful number, since it uses less digits than its factorization.

11548643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114444.

The product of its digits is 11520, while the sum is 32.

The square root of 11548643 is about 3398.3294425350. The cubic root of 11548643 is about 226.0356732265.

The spelling of 11548643 in words is "eleven million, five hundred forty-eight thousand, six hundred forty-three".