11981674 has 8 divisors (see below), whose sum is σ = 17996868. Its totient is φ = 5982720.

The previous prime is 11981659. The next prime is 11981701. The reversal of 11981674 is 47618911.

It can be written as a sum of positive squares in 2 ways, for example, as 11512449 + 469225 = 3393^2 + 685^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2007 + ... + 5290.

Almost surely, 2^11981674 is an apocalyptic number.

11981674 is a deficient number, since it is larger than the sum of its proper divisors (6015194).

11981674 is an equidigital number, since it uses as much as digits as its factorization.

11981674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8120.

The product of its digits is 12096, while the sum is 37.

The square root of 11981674 is about 3461.4554742189. The cubic root of 11981674 is about 228.8262445037.

The spelling of 11981674 in words is "eleven million, nine hundred eighty-one thousand, six hundred seventy-four".