11944897 has 8 divisors (see below), whose sum is σ = 13084200. Its totient is φ = 10854144.

The previous prime is 11944873. The next prime is 11944903. The reversal of 11944897 is 79844911.

It can be written as a sum of positive squares in 4 ways, for example, as 1245456 + 10699441 = 1116^2 + 3271^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11944897 - 2¹⁵ = 11912129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11944847) 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 7 ways as a sum of consecutive naturals, for example, 11622 + ... + 12607.

It is an arithmetic number, because the mean of its divisors is an integer number (1635525).

Almost surely, 2^11944897 is an apocalyptic number.

11944897 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11944897 is a deficient number, since it is larger than the sum of its proper divisors (1139303).

11944897 is a wasteful number, since it uses less digits than its factorization.

11944897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24275.

The product of its digits is 72576, while the sum is 43.

The square root of 11944897 is about 3456.1390307683. The cubic root of 11944897 is about 228.5918819309.

The spelling of 11944897 in words is "eleven million, nine hundred forty-four thousand, eight hundred ninety-seven".