11896391 has 8 divisors (see below), whose sum is σ = 12875184. Its totient is φ = 10926720.

The previous prime is 11896387. The next prime is 11896393. The reversal of 11896391 is 19369811.

11896391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11896391 - 2² = 11896387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11896393) 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, 575 + ... + 4911.

It is an arithmetic number, because the mean of its divisors is an integer number (1609398).

Almost surely, 2^11896391 is an apocalyptic number.

11896391 is a deficient number, since it is larger than the sum of its proper divisors (978793).

11896391 is a wasteful number, since it uses less digits than its factorization.

11896391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4561.

The product of its digits is 11664, while the sum is 38.

The square root of 11896391 is about 3449.1145240482. The cubic root of 11896391 is about 228.2820391406.

The spelling of 11896391 in words is "eleven million, eight hundred ninety-six thousand, three hundred ninety-one".