11896641 has 24 divisors (see below), whose sum is σ = 18720000. Its totient is φ = 7251552.

The previous prime is 11896637. The next prime is 11896649. The reversal of 11896641 is 14669811.

It is a happy number.

11896641 is a `hidden beast` number, since 1 + 1 + 8 + 9 + 6 + 641 = 666.

It is not a de Polignac number, because 11896641 - 2² = 11896637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11896596 and 11896605.

It is not an unprimeable number, because it can be changed into a prime (11896649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3760 + ... + 6158.

It is an arithmetic number, because the mean of its divisors is an integer number (780000).

Almost surely, 2^11896641 is an apocalyptic number.

It is an amenable number.

11896641 is a deficient number, since it is larger than the sum of its proper divisors (6823359).

11896641 is a wasteful number, since it uses less digits than its factorization.

11896641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2453 (or 2450 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 11896641 is about 3449.1507650435. The cubic root of 11896641 is about 228.2836382280.

The spelling of 11896641 in words is "eleven million, eight hundred ninety-six thousand, six hundred forty-one".