11392939 has 4 divisors (see below), whose sum is σ = 11480040. Its totient is φ = 11305840.

The previous prime is 11392937. The next prime is 11392943. The reversal of 11392939 is 93929311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11392939 - 2¹ = 11392937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11392898 and 11392907.

It is not an unprimeable number, because it can be changed into a prime (11392937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43354 + ... + 43615.

It is an arithmetic number, because the mean of its divisors is an integer number (2870010).

Almost surely, 2^11392939 is an apocalyptic number.

11392939 is a deficient number, since it is larger than the sum of its proper divisors (87101).

11392939 is an equidigital number, since it uses as much as digits as its factorization.

11392939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87100.

The product of its digits is 13122, while the sum is 37.

The square root of 11392939 is about 3375.3427974059. The cubic root of 11392939 is about 225.0152351824.

The spelling of 11392939 in words is "eleven million, three hundred ninety-two thousand, nine hundred thirty-nine".