11802643 has 4 divisors (see below), whose sum is σ = 11817808. Its totient is φ = 11787480.

The previous prime is 11802631. The next prime is 11802671. The reversal of 11802643 is 34620811.

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 11802643 - 2¹³ = 11794451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11802673) 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, 6348 + ... + 7993.

It is an arithmetic number, because the mean of its divisors is an integer number (2954452).

Almost surely, 2^11802643 is an apocalyptic number.

11802643 is a deficient number, since it is larger than the sum of its proper divisors (15165).

11802643 is an equidigital number, since it uses as much as digits as its factorization.

11802643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15164.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 11802643 is about 3435.4974894475. The cubic root of 11802643 is about 227.6808078390.

The spelling of 11802643 in words is "eleven million, eight hundred two thousand, six hundred forty-three".