11997206 has 16 divisors (see below), whose sum is σ = 20520864. Its totient is φ = 5211264.

The previous prime is 11997199. The next prime is 11997233. The reversal of 11997206 is 60279911.

It is a congruent number.

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, 13130 + ... + 14013.

It is an arithmetic number, because the mean of its divisors is an integer number (1282554).

Almost surely, 2^11997206 is an apocalyptic number.

11997206 is a deficient number, since it is larger than the sum of its proper divisors (8523658).

11997206 is a wasteful number, since it uses less digits than its factorization.

11997206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27175.

The product of its (nonzero) digits is 6804, while the sum is 35.

The square root of 11997206 is about 3463.6983124978. The cubic root of 11997206 is about 228.9250786226.

The spelling of 11997206 in words is "eleven million, nine hundred ninety-seven thousand, two hundred six".