11897635 has 8 divisors (see below), whose sum is σ = 14449680. Its totient is φ = 9403104.

The previous prime is 11897597. The next prime is 11897653. The reversal of 11897635 is 53679811.

11897635 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 11897635 - 2⁷ = 11897507 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13920 + ... + 14749.

It is an arithmetic number, because the mean of its divisors is an integer number (1806210).

Almost surely, 2^11897635 is an apocalyptic number.

11897635 is a deficient number, since it is larger than the sum of its proper divisors (2552045).

11897635 is an equidigital number, since it uses as much as digits as its factorization.

11897635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28757.

The product of its digits is 45360, while the sum is 40.

The square root of 11897635 is about 3449.2948554741. The cubic root of 11897635 is about 228.2899959783.

The spelling of 11897635 in words is "eleven million, eight hundred ninety-seven thousand, six hundred thirty-five".