11958841 has 4 divisors (see below), whose sum is σ = 12093300. Its totient is φ = 11824384.

The previous prime is 11958833. The next prime is 11958853. The reversal of 11958841 is 14885911.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4141225 + 7817616 = 2035^2 + 2796^2 .

It is a cyclic number.

It is not a de Polignac number, because 11958841 - 2³ = 11958833 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11958841.

It is not an unprimeable number, because it can be changed into a prime (11958041) 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, 67096 + ... + 67273.

It is an arithmetic number, because the mean of its divisors is an integer number (3023325).

Almost surely, 2^11958841 is an apocalyptic number.

It is an amenable number.

11958841 is a deficient number, since it is larger than the sum of its proper divisors (134459).

11958841 is an equidigital number, since it uses as much as digits as its factorization.

11958841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134458.

The product of its digits is 11520, while the sum is 37.

The square root of 11958841 is about 3458.1557223468. The cubic root of 11958841 is about 228.6807970464.

The spelling of 11958841 in words is "eleven million, nine hundred fifty-eight thousand, eight hundred forty-one".