11969741 has 4 divisors (see below), whose sum is σ = 13679712. Its totient is φ = 10259772.

The previous prime is 11969723. The next prime is 11969761. The reversal of 11969741 is 14796911.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14796911 = 53 ⋅279187.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11969741 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11969695 and 11969704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11969701) 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, 854975 + ... + 854988.

It is an arithmetic number, because the mean of its divisors is an integer number (3419928).

Almost surely, 2^11969741 is an apocalyptic number.

It is an amenable number.

11969741 is a deficient number, since it is larger than the sum of its proper divisors (1709971).

11969741 is an equidigital number, since it uses as much as digits as its factorization.

11969741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709970.

The product of its digits is 13608, while the sum is 38.

The square root of 11969741 is about 3459.7313479517. The cubic root of 11969741 is about 228.7502537149.

The spelling of 11969741 in words is "eleven million, nine hundred sixty-nine thousand, seven hundred forty-one".