11766740 has 24 divisors (see below), whose sum is σ = 25379592. Its totient is φ = 4579200.

The previous prime is 11766739. The next prime is 11766749. The reversal of 11766740 is 4766711.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7246864 + 4519876 = 2692^2 + 2126^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11766697 and 11766706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11766749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7211 + ... + 8690.

It is an arithmetic number, because the mean of its divisors is an integer number (1057483).

Almost surely, 2^11766740 is an apocalyptic number.

11766740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11766740 is an abundant number, since it is smaller than the sum of its proper divisors (13612852).

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

11766740 is a wasteful number, since it uses less digits than its factorization.

11766740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15947 (or 15945 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 11766740 is about 3430.2682110879. The cubic root of 11766740 is about 227.4497091267.

The spelling of 11766740 in words is "eleven million, seven hundred sixty-six thousand, seven hundred forty".