11976897 has 12 divisors (see below), whose sum is σ = 16855440. Its totient is φ = 7563672.

The previous prime is 11976893. The next prime is 11976901. The reversal of 11976897 is 79867911.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11976893) and next prime (11976901).

It is not a de Polignac number, because 11976897 - 2² = 11976893 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11976893) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4447 + ... + 6612.

It is an arithmetic number, because the mean of its divisors is an integer number (1404620).

Almost surely, 2^11976897 is an apocalyptic number.

It is an amenable number.

11976897 is a deficient number, since it is larger than the sum of its proper divisors (4878543).

11976897 is a wasteful number, since it uses less digits than its factorization.

11976897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11100 (or 11081 counting only the distinct ones).

The product of its digits is 190512, while the sum is 48.

The square root of 11976897 is about 3460.7653777741. The cubic root of 11976897 is about 228.7958300481.

The spelling of 11976897 in words is "eleven million, nine hundred seventy-six thousand, eight hundred ninety-seven".