11969127 has 20 divisors (see below), whose sum is σ = 18059976. Its totient is φ = 7899120.

The previous prime is 11969119. The next prime is 11969137. The reversal of 11969127 is 72196911.

It is not a de Polignac number, because 11969127 - 2³ = 11969119 is a prime.

It is a super-2 number, since 2×11969127² = 286520002284258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11969091 and 11969100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11969117) 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 19 ways as a sum of consecutive naturals, for example, 7977 + ... + 9357.

Almost surely, 2^11969127 is an apocalyptic number.

11969127 is a deficient number, since it is larger than the sum of its proper divisors (6090849).

11969127 is a wasteful number, since it uses less digits than its factorization.

11969127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500 (or 1491 counting only the distinct ones).

The product of its digits is 6804, while the sum is 36.

The square root of 11969127 is about 3459.6426116002. The cubic root of 11969127 is about 228.7463423226.

The spelling of 11969127 in words is "eleven million, nine hundred sixty-nine thousand, one hundred twenty-seven".