11696391 has 48 divisors (see below), whose sum is σ = 20876544. Its totient is φ = 6158592.

The previous prime is 11696383. The next prime is 11696413. The reversal of 11696391 is 19369611.

11696391 is a `hidden beast` number, since 1 + 16 + 9 + 639 + 1 = 666.

11696391 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11696391 - 2³ = 11696383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11696341) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 71676 + ... + 71838.

It is an arithmetic number, because the mean of its divisors is an integer number (434928).

Almost surely, 2^11696391 is an apocalyptic number.

11696391 is a deficient number, since it is larger than the sum of its proper divisors (9180153).

11696391 is a wasteful number, since it uses less digits than its factorization.

11696391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260 (or 257 counting only the distinct ones).

The product of its digits is 8748, while the sum is 36.

The square root of 11696391 is about 3419.9986842103. The cubic root of 11696391 is about 226.9955234680.

The spelling of 11696391 in words is "eleven million, six hundred ninety-six thousand, three hundred ninety-one".