11996743 has 4 divisors (see below), whose sum is σ = 13087368. Its totient is φ = 10906120.

The previous prime is 11996741. The next prime is 11996753. The reversal of 11996743 is 34769911.

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

It is a cyclic number.

It is not a de Polignac number, because 11996743 - 2¹ = 11996741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11996696 and 11996705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11996741) 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, 545296 + ... + 545317.

It is an arithmetic number, because the mean of its divisors is an integer number (3271842).

Almost surely, 2^11996743 is an apocalyptic number.

11996743 is a deficient number, since it is larger than the sum of its proper divisors (1090625).

11996743 is a wasteful number, since it uses less digits than its factorization.

11996743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090624.

The product of its digits is 40824, while the sum is 40.

The square root of 11996743 is about 3463.6314757780. The cubic root of 11996743 is about 228.9221336682.

The spelling of 11996743 in words is "eleven million, nine hundred ninety-six thousand, seven hundred forty-three".