11966397 has 8 divisors (see below), whose sum is σ = 15972000. Its totient is φ = 7969200.

The previous prime is 11966389. The next prime is 11966441. The reversal of 11966397 is 79366911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11966397 - 2³ = 11966389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11966377) 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, 2979 + ... + 5727.

It is an arithmetic number, because the mean of its divisors is an integer number (1996500).

Almost surely, 2^11966397 is an apocalyptic number.

It is an amenable number.

11966397 is a deficient number, since it is larger than the sum of its proper divisors (4005603).

11966397 is a wasteful number, since it uses less digits than its factorization.

11966397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4203.

The product of its digits is 61236, while the sum is 42.

The square root of 11966397 is about 3459.2480396757. The cubic root of 11966397 is about 228.7289496590.

The spelling of 11966397 in words is "eleven million, nine hundred sixty-six thousand, three hundred ninety-seven".