11942719 has 4 divisors (see below), whose sum is σ = 12328000. Its totient is φ = 11557440.

The previous prime is 11942713. The next prime is 11942743. The reversal of 11942719 is 91724911.

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 11942719 - 2¹¹ = 11940671 is a prime.

It is a super-2 number, since 2×11942719² = 285257074225922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11942713) 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, 192594 + ... + 192655.

It is an arithmetic number, because the mean of its divisors is an integer number (3082000).

Almost surely, 2^11942719 is an apocalyptic number.

11942719 is a deficient number, since it is larger than the sum of its proper divisors (385281).

11942719 is an equidigital number, since it uses as much as digits as its factorization.

11942719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385280.

The product of its digits is 4536, while the sum is 34.

The square root of 11942719 is about 3455.8239249128. The cubic root of 11942719 is about 228.5779874792.

The spelling of 11942719 in words is "eleven million, nine hundred forty-two thousand, seven hundred nineteen".