11274813 has 24 divisors (see below), whose sum is σ = 18067296. Its totient is φ = 6717600.

The previous prime is 11274811. The next prime is 11274817. The reversal of 11274813 is 31847211.

It is not a de Polignac number, because 11274813 - 2¹ = 11274811 is a prime.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11274811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5106 + ... + 6972.

It is an arithmetic number, because the mean of its divisors is an integer number (752804).

Almost surely, 2^11274813 is an apocalyptic number.

It is an amenable number.

11274813 is a deficient number, since it is larger than the sum of its proper divisors (6792483).

11274813 is a wasteful number, since it uses less digits than its factorization.

11274813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1945 (or 1942 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 11274813 is about 3357.7988325687. The cubic root of 11274813 is about 224.2348528003.

The spelling of 11274813 in words is "eleven million, two hundred seventy-four thousand, eight hundred thirteen".