11996461 has 4 divisors (see below), whose sum is σ = 12004924. Its totient is φ = 11988000.

The previous prime is 11996449. The next prime is 11996507. The reversal of 11996461 is 16469911.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 16469911 = 3943 ⋅4177.

It can be written as a sum of positive squares in 2 ways, for example, as 6734025 + 5262436 = 2595^2 + 2294^2 .

It is a cyclic number.

It is not a de Polignac number, because 11996461 - 2¹⁹ = 11472173 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 11996461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11996161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1530 + ... + 5131.

It is an arithmetic number, because the mean of its divisors is an integer number (3001231).

Almost surely, 2^11996461 is an apocalyptic number.

It is an amenable number.

11996461 is a deficient number, since it is larger than the sum of its proper divisors (8463).

11996461 is an equidigital number, since it uses as much as digits as its factorization.

11996461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8462.

The product of its digits is 11664, while the sum is 37.

The square root of 11996461 is about 3463.5907668199. The cubic root of 11996461 is about 228.9203399439.

It can be divided in two parts, 119 and 96461, that added together give a triangular number (96580 = T₄₃₉).

The spelling of 11996461 in words is "eleven million, nine hundred ninety-six thousand, four hundred sixty-one".