11748643 has 8 divisors (see below), whose sum is σ = 12001280. Its totient is φ = 11498760.

The previous prime is 11748641. The next prime is 11748677. The reversal of 11748643 is 34684711.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11748643 - 2¹ = 11748641 is a prime.

It is a super-2 number, since 2×11748643² = 276061224682898, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11748599 and 11748608.

It is not an unprimeable number, because it can be changed into a prime (11748641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9448 + ... + 10618.

It is an arithmetic number, because the mean of its divisors is an integer number (1500160).

Almost surely, 2^11748643 is an apocalyptic number.

11748643 is a deficient number, since it is larger than the sum of its proper divisors (252637).

11748643 is a wasteful number, since it uses less digits than its factorization.

11748643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377.

The product of its digits is 16128, while the sum is 34.

The square root of 11748643 is about 3427.6293556918. The cubic root of 11748643 is about 227.3330449989. Note that the first 3 decimals are identical.

The spelling of 11748643 in words is "eleven million, seven hundred forty-eight thousand, six hundred forty-three".