11493140 has 12 divisors (see below), whose sum is σ = 24135636. Its totient is φ = 4597248.

The previous prime is 11493133. The next prime is 11493149. The reversal of 11493140 is 4139411.

It can be written as a sum of positive squares in 2 ways, for example, as 5597956 + 5895184 = 2366^2 + 2428^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11493149) 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, 287309 + ... + 287348.

It is an arithmetic number, because the mean of its divisors is an integer number (2011303).

Almost surely, 2^11493140 is an apocalyptic number.

11493140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11493140 is an abundant number, since it is smaller than the sum of its proper divisors (12642496).

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

11493140 is a wasteful number, since it uses less digits than its factorization.

11493140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574666 (or 574664 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 11493140 is about 3390.1533888602. The cubic root of 11493140 is about 225.6729809739.

The spelling of 11493140 in words is "eleven million, four hundred ninety-three thousand, one hundred forty".