11873239 has 12 divisors (see below), whose sum is σ = 13875624. Its totient is φ = 10130064.

The previous prime is 11873227. The next prime is 11873269. The reversal of 11873239 is 93237811.

It is not a de Polignac number, because 11873239 - 2⁷ = 11873111 is a prime.

It is a super-2 number, since 2×11873239² = 281947608702242, which contains 22 as substring.

Its product of digits (9072) is a multiple of the sum of its prime factors (1134).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11873269) 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, 13944 + ... + 14770.

It is an arithmetic number, because the mean of its divisors is an integer number (1156302).

Almost surely, 2^11873239 is an apocalyptic number.

11873239 is a deficient number, since it is larger than the sum of its proper divisors (2002385).

11873239 is an equidigital number, since it uses as much as digits as its factorization.

11873239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134 (or 1127 counting only the distinct ones).

The product of its digits is 9072, while the sum is 34.

The square root of 11873239 is about 3445.7566658138. The cubic root of 11873239 is about 228.1338536377.

The spelling of 11873239 in words is "eleven million, eight hundred seventy-three thousand, two hundred thirty-nine".