11939397 has 8 divisors (see below), whose sum is σ = 16045056. Its totient is φ = 7896672.

The previous prime is 11939393. The next prime is 11939407. The reversal of 11939397 is 79393911.

11939397 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 not a de Polignac number, because 11939397 - 2² = 11939393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11939393) 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, 15288 + ... + 16049.

It is an arithmetic number, because the mean of its divisors is an integer number (2005632).

Almost surely, 2^11939397 is an apocalyptic number.

It is an amenable number.

11939397 is a deficient number, since it is larger than the sum of its proper divisors (4105659).

11939397 is a wasteful number, since it uses less digits than its factorization.

11939397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31467.

The product of its digits is 45927, while the sum is 42.

The square root of 11939397 is about 3455.3432535712. The cubic root of 11939397 is about 228.5567916781.

The spelling of 11939397 in words is "eleven million, nine hundred thirty-nine thousand, three hundred ninety-seven".