11290740 has 24 divisors (see below), whose sum is σ = 31614240. Its totient is φ = 3010848.

The previous prime is 11290717. The next prime is 11290751. The reversal of 11290740 is 4709211.

It is a self number, because there is not a number n which added to its sum of digits gives 11290740.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94030 + ... + 94149.

It is an arithmetic number, because the mean of its divisors is an integer number (1317260).

Almost surely, 2^11290740 is an apocalyptic number.

11290740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11290740 is an abundant number, since it is smaller than the sum of its proper divisors (20323500).

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

11290740 is a wasteful number, since it uses less digits than its factorization.

11290740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188191 (or 188189 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 11290740 is about 3360.1696385748. The cubic root of 11290740 is about 224.3403891597.

Adding to 11290740 its reverse (4709211), we get a palindrome (15999951).

The spelling of 11290740 in words is "eleven million, two hundred ninety thousand, seven hundred forty".