11879558 has 4 divisors (see below), whose sum is σ = 17819340. Its totient is φ = 5939778.

The previous prime is 11879537. The next prime is 11879561. The reversal of 11879558 is 85597811.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85597811 = 13 ⋅6584447.

It is a super-2 number, since 2×11879558² = 282247796550728, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2969888 + ... + 2969891.

It is an arithmetic number, because the mean of its divisors is an integer number (4454835).

Almost surely, 2^11879558 is an apocalyptic number.

11879558 is a deficient number, since it is larger than the sum of its proper divisors (5939782).

11879558 is an equidigital number, since it uses as much as digits as its factorization.

11879558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5939781.

The product of its digits is 100800, while the sum is 44.

The square root of 11879558 is about 3446.6734687231. The cubic root of 11879558 is about 228.1743178042.

The spelling of 11879558 in words is "eleven million, eight hundred seventy-nine thousand, five hundred fifty-eight".