11850643 has 4 divisors (see below), whose sum is σ = 13543600. Its totient is φ = 10157688.

The previous prime is 11850611. The next prime is 11850667. The reversal of 11850643 is 34605811.

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 11850643 - 2⁵ = 11850611 is a prime.

It is a super-3 number, since 3×11850643³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (11859643) 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, 846468 + ... + 846481.

It is an arithmetic number, because the mean of its divisors is an integer number (3385900).

Almost surely, 2^11850643 is an apocalyptic number.

11850643 is a deficient number, since it is larger than the sum of its proper divisors (1692957).

11850643 is an equidigital number, since it uses as much as digits as its factorization.

11850643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1692956.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 11850643 is about 3442.4762889525. The cubic root of 11850643 is about 227.9890409732.

The spelling of 11850643 in words is "eleven million, eight hundred fifty thousand, six hundred forty-three".