11274840 has 48 divisors (see below), whose sum is σ = 36644400. Its totient is φ = 3006528.

The previous prime is 11274817. The next prime is 11274869. The reversal of 11274840 is 4847211.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15300 + ... + 16019.

It is an arithmetic number, because the mean of its divisors is an integer number (763425).

Almost surely, 2^11274840 is an apocalyptic number.

11274840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11274840 is an abundant number, since it is smaller than the sum of its proper divisors (25369560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11274840 is a wasteful number, since it uses less digits than its factorization.

11274840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31336 (or 31329 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 11274840 is about 3357.8028530573. The cubic root of 11274840 is about 224.2350317933.

The spelling of 11274840 in words is "eleven million, two hundred seventy-four thousand, eight hundred forty".