11896505 has 8 divisors (see below), whose sum is σ = 14297352. Its totient is φ = 9502848.

The previous prime is 11896477. The next prime is 11896513. The reversal of 11896505 is 50569811.

It can be written as a sum of positive squares in 4 ways, for example, as 6661561 + 5234944 = 2581^2 + 2288^2 .

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 11896505 - 2⁶ = 11896441 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3029 + ... + 5741.

It is an arithmetic number, because the mean of its divisors is an integer number (1787169).

Almost surely, 2^11896505 is an apocalyptic number.

It is an amenable number.

11896505 is a deficient number, since it is larger than the sum of its proper divisors (2400847).

11896505 is an equidigital number, since it uses as much as digits as its factorization.

11896505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3595.

The product of its (nonzero) digits is 10800, while the sum is 35.

The square root of 11896505 is about 3449.1310499893. The cubic root of 11896505 is about 228.2827683272.

The spelling of 11896505 in words is "eleven million, eight hundred ninety-six thousand, five hundred five".