11356939 has 12 divisors (see below), whose sum is σ = 12755232. Its totient is φ = 10099760.

The previous prime is 11356937. The next prime is 11356949. The reversal of 11356939 is 93965311.

11356939 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11356939 - 2¹ = 11356937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11356898 and 11356907.

It is not an unprimeable number, because it can be changed into a prime (11356937) 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, 4689 + ... + 6685.

It is an arithmetic number, because the mean of its divisors is an integer number (1062936).

Almost surely, 2^11356939 is an apocalyptic number.

11356939 is a deficient number, since it is larger than the sum of its proper divisors (1398293).

11356939 is a wasteful number, since it uses less digits than its factorization.

11356939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2066 (or 2055 counting only the distinct ones).

The product of its digits is 21870, while the sum is 37.

The square root of 11356939 is about 3370.0057863452. The cubic root of 11356939 is about 224.7779801699. Note that the first 3 decimals are identical.

The spelling of 11356939 in words is "eleven million, three hundred fifty-six thousand, nine hundred thirty-nine".