11443641 has 16 divisors (see below), whose sum is σ = 16701888. Its totient is φ = 6912000.

The previous prime is 11443637. The next prime is 11443697. The reversal of 11443641 is 14634411.

It is not a de Polignac number, because 11443641 - 2² = 11443637 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11443631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18741 + ... + 19341.

It is an arithmetic number, because the mean of its divisors is an integer number (1043868).

Almost surely, 2^11443641 is an apocalyptic number.

11443641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11443641 is a deficient number, since it is larger than the sum of its proper divisors (5258247).

11443641 is a wasteful number, since it uses less digits than its factorization.

11443641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192.

The product of its digits is 1152, while the sum is 24.

The square root of 11443641 is about 3382.8451043463. The cubic root of 11443641 is about 225.3485363640.

The spelling of 11443641 in words is "eleven million, four hundred forty-three thousand, six hundred forty-one".