11742279 has 8 divisors (see below), whose sum is σ = 15683712. Its totient is φ = 7814520.

The previous prime is 11742251. The next prime is 11742299. The reversal of 11742279 is 97224711.

11742279 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 11742279 - 2¹¹ = 11740231 is a prime.

It is a super-2 number, since 2×11742279² = 275762232227682, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11742299) 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, 1209 + ... + 4994.

It is an arithmetic number, because the mean of its divisors is an integer number (1960464).

Almost surely, 2^11742279 is an apocalyptic number.

11742279 is a deficient number, since it is larger than the sum of its proper divisors (3941433).

11742279 is an equidigital number, since it uses as much as digits as its factorization.

11742279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6837.

The product of its digits is 7056, while the sum is 33.

The square root of 11742279 is about 3426.7008915282. The cubic root of 11742279 is about 227.2919903624.

It can be divided in two parts, 11742 and 279, that added together give a palindrome (12021).

The spelling of 11742279 in words is "eleven million, seven hundred forty-two thousand, two hundred seventy-nine".