11996437 has 4 divisors (see below), whose sum is σ = 12077100. Its totient is φ = 11915776.

The previous prime is 11996393. The next prime is 11996447. The reversal of 11996437 is 73469911.

11996437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73469911 = 3187 ⋅23053.

It can be written as a sum of positive squares in 2 ways, for example, as 531441 + 11464996 = 729^2 + 3386^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11996437 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 11996437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11996447) 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, 40108 + ... + 40405.

It is an arithmetic number, because the mean of its divisors is an integer number (3019275).

Almost surely, 2^11996437 is an apocalyptic number.

It is an amenable number.

11996437 is a deficient number, since it is larger than the sum of its proper divisors (80663).

11996437 is an equidigital number, since it uses as much as digits as its factorization.

11996437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80662.

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

The square root of 11996437 is about 3463.5873022056. The cubic root of 11996437 is about 228.9201872852.

The spelling of 11996437 in words is "eleven million, nine hundred ninety-six thousand, four hundred thirty-seven".