11641243 has 16 divisors (see below), whose sum is σ = 13547520. Its totient is φ = 9922176.

The previous prime is 11641229. The next prime is 11641247. The reversal of 11641243 is 34214611.

11641243 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11641243 - 2⁵ = 11641211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11641247) 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, 6646 + ... + 8212.

It is an arithmetic number, because the mean of its divisors is an integer number (846720).

Almost surely, 2^11641243 is an apocalyptic number.

11641243 is a deficient number, since it is larger than the sum of its proper divisors (1906277).

11641243 is a wasteful number, since it uses less digits than its factorization.

11641243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626.

The product of its digits is 576, while the sum is 22.

The square root of 11641243 is about 3411.9265818596. The cubic root of 11641243 is about 226.6382031252.

Adding to 11641243 its reverse (34214611), we get a palindrome (45855854).

The spelling of 11641243 in words is "eleven million, six hundred forty-one thousand, two hundred forty-three".