11711967 has 8 divisors (see below), whose sum is σ = 15702960. Its totient is φ = 7764480.

The previous prime is 11711957. The next prime is 11711981. The reversal of 11711967 is 76911711.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11711967 - 2⁴ = 11711951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11711957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10242 + ... + 11327.

It is an arithmetic number, because the mean of its divisors is an integer number (1962870).

Almost surely, 2^11711967 is an apocalyptic number.

11711967 is a deficient number, since it is larger than the sum of its proper divisors (3990993).

11711967 is a wasteful number, since it uses less digits than its factorization.

11711967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21753.

The product of its digits is 2646, while the sum is 33.

The square root of 11711967 is about 3422.2751204425. The cubic root of 11711967 is about 227.0962415429.

The spelling of 11711967 in words is "eleven million, seven hundred eleven thousand, nine hundred sixty-seven".