11997095 has 16 divisors (see below), whose sum is σ = 15776640. Its totient is φ = 8685600.

The previous prime is 11997071. The next prime is 11997107. The reversal of 11997095 is 59079911.

It is a happy number.

It is not a de Polignac number, because 11997095 - 2²⁰ = 10948519 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17876 + ... + 18534.

It is an arithmetic number, because the mean of its divisors is an integer number (986040).

Almost surely, 2^11997095 is an apocalyptic number.

11997095 is a deficient number, since it is larger than the sum of its proper divisors (3779545).

11997095 is a wasteful number, since it uses less digits than its factorization.

11997095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006.

The product of its (nonzero) digits is 25515, while the sum is 41.

The square root of 11997095 is about 3463.6822891253. The cubic root of 11997095 is about 228.9243726037.

The spelling of 11997095 in words is "eleven million, nine hundred ninety-seven thousand, ninety-five".