11897441 has 4 divisors (see below), whose sum is σ = 11976384. Its totient is φ = 11818500.

The previous prime is 11897423. The next prime is 11897449. The reversal of 11897441 is 14479811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11897441 - 2⁶ = 11897377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11897449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39245 + ... + 39546.

It is an arithmetic number, because the mean of its divisors is an integer number (2994096).

Almost surely, 2^11897441 is an apocalyptic number.

It is an amenable number.

11897441 is a deficient number, since it is larger than the sum of its proper divisors (78943).

11897441 is an equidigital number, since it uses as much as digits as its factorization.

11897441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78942.

The product of its digits is 8064, while the sum is 35.

The square root of 11897441 is about 3449.2667336696. The cubic root of 11897441 is about 228.2887551575.

The spelling of 11897441 in words is "eleven million, eight hundred ninety-seven thousand, four hundred forty-one".