11321740 has 24 divisors (see below), whose sum is σ = 24357312. Its totient is φ = 4417920.

The previous prime is 11321729. The next prime is 11321747. The reversal of 11321740 is 4712311.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (11321747) 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, 6084 + ... + 7723.

It is an arithmetic number, because the mean of its divisors is an integer number (1014888).

Almost surely, 2^11321740 is an apocalyptic number.

11321740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11321740 is an abundant number, since it is smaller than the sum of its proper divisors (13035572).

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

11321740 is a wasteful number, since it uses less digits than its factorization.

11321740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13857 (or 13855 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 11321740 is about 3364.7793389760. The cubic root of 11321740 is about 224.5455188181.

The spelling of 11321740 in words is "eleven million, three hundred twenty-one thousand, seven hundred forty".