11940397 has 8 divisors (see below), whose sum is σ = 13936896. Its totient is φ = 10016592.

The previous prime is 11940377. The next prime is 11940403. The reversal of 11940397 is 79304911.

11940397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11940397 - 2¹⁹ = 11416109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11940347) 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, 17818 + ... + 18475.

It is an arithmetic number, because the mean of its divisors is an integer number (1742112).

Almost surely, 2^11940397 is an apocalyptic number.

It is an amenable number.

11940397 is a deficient number, since it is larger than the sum of its proper divisors (1996499).

11940397 is an equidigital number, since it uses as much as digits as its factorization.

11940397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36347.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 11940397 is about 3455.4879539654. The cubic root of 11940397 is about 228.5631725255.

The spelling of 11940397 in words is "eleven million, nine hundred forty thousand, three hundred ninety-seven".