11943969 has 32 divisors (see below), whose sum is σ = 17694720. Its totient is φ = 7140672.

The previous prime is 11943947. The next prime is 11943973. The reversal of 11943969 is 96934911.

It is not a de Polignac number, because 11943969 - 2⁸ = 11943713 is a prime.

It is a super-2 number, since 2×11943969² = 285316790945922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11943969.

It is not an unprimeable number, because it can be changed into a prime (11943929) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93984 + ... + 94110.

It is an arithmetic number, because the mean of its divisors is an integer number (552960).

Almost surely, 2^11943969 is an apocalyptic number.

It is an amenable number.

11943969 is a deficient number, since it is larger than the sum of its proper divisors (5750751).

11943969 is a wasteful number, since it uses less digits than its factorization.

11943969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229.

The product of its digits is 52488, while the sum is 42.

The square root of 11943969 is about 3456.0047743023. The cubic root of 11943969 is about 228.5859620037.

The spelling of 11943969 in words is "eleven million, nine hundred forty-three thousand, nine hundred sixty-nine".