11965147 has 8 divisors (see below), whose sum is σ = 12157200. Its totient is φ = 11774880.

The previous prime is 11965091. The next prime is 11965157. The reversal of 11965147 is 74156911.

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 11965147 - 2¹⁵ = 11932379 is a prime.

It is a Duffinian number.

It is a zygodrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (11965157) 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, 19213 + ... + 19825.

It is an arithmetic number, because the mean of its divisors is an integer number (1519650).

Almost surely, 2^11965147 is an apocalyptic number.

11965147 is a deficient number, since it is larger than the sum of its proper divisors (192053).

11965147 is a wasteful number, since it uses less digits than its factorization.

11965147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893.

The product of its digits is 7560, while the sum is 34.

The square root of 11965147 is about 3459.0673598529. The cubic root of 11965147 is about 228.7209851023.

The spelling of 11965147 in words is "eleven million, nine hundred sixty-five thousand, one hundred forty-seven".