11292040 has 32 divisors (see below), whose sum is σ = 25553880. Its totient is φ = 4490752.

The previous prime is 11292037. The next prime is 11292041. The reversal of 11292040 is 4029211.

It can be written as a sum of positive squares in 4 ways, for example, as 11276164 + 15876 = 3358^2 + 126^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11291999 and 11292017.

It is not an unprimeable number, because it can be changed into a prime (11292041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7164 + ... + 8596.

Almost surely, 2^11292040 is an apocalyptic number.

11292040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11292040 is an abundant number, since it is smaller than the sum of its proper divisors (14261840).

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

11292040 is a wasteful number, since it uses less digits than its factorization.

11292040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641 (or 1637 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 11292040 is about 3360.3630756214. The cubic root of 11292040 is about 224.3489989087.

The spelling of 11292040 in words is "eleven million, two hundred ninety-two thousand, forty".