11131874 has 8 divisors (see below), whose sum is σ = 17982300. Its totient is φ = 5137776.

The previous prime is 11131873. The next prime is 11131907. The reversal of 11131874 is 47813111.

It can be written as a sum of positive squares in 2 ways, for example, as 10923025 + 208849 = 3305^2 + 457^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 428149 = 11131874 / (1 + 1 + 1 + 3 + 1 + 8 + 7 + 4).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11131873) 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, 214049 + ... + 214100.

Almost surely, 2^11131874 is an apocalyptic number.

11131874 is a deficient number, since it is larger than the sum of its proper divisors (6850426).

11131874 is a wasteful number, since it uses less digits than its factorization.

11131874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428164.

The product of its digits is 672, while the sum is 26.

The square root of 11131874 is about 3336.4463130702. The cubic root of 11131874 is about 223.2832238262.

Adding to 11131874 its reverse (47813111), we get a palindrome (58944985).

The spelling of 11131874 in words is "eleven million, one hundred thirty-one thousand, eight hundred seventy-four".