11988374 has 4 divisors (see below), whose sum is σ = 17982564. Its totient is φ = 5994186.

The previous prime is 11988367. The next prime is 11988401. The reversal of 11988374 is 47388911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47388911 = 17 ⋅2787583.

It is a super-2 number, since 2×11988374² = 287442222327752, which contains 22 as substring.

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, 2997092 + ... + 2997095.

It is an arithmetic number, because the mean of its divisors is an integer number (4495641).

Almost surely, 2^11988374 is an apocalyptic number.

11988374 is a deficient number, since it is larger than the sum of its proper divisors (5994190).

11988374 is an equidigital number, since it uses as much as digits as its factorization.

11988374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5994189.

The product of its digits is 48384, while the sum is 41.

The square root of 11988374 is about 3462.4231399412. The cubic root of 11988374 is about 228.8688887996.

The spelling of 11988374 in words is "eleven million, nine hundred eighty-eight thousand, three hundred seventy-four".