11761660 has 12 divisors (see below), whose sum is σ = 24699528. Its totient is φ = 4704656.

The previous prime is 11761657. The next prime is 11761663. The reversal of 11761660 is 6616711.

It is an interprime number because it is at equal distance from previous prime (11761657) and next prime (11761663).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11761663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294022 + ... + 294061.

It is an arithmetic number, because the mean of its divisors is an integer number (2058294).

Almost surely, 2^11761660 is an apocalyptic number.

11761660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11761660 is an abundant number, since it is smaller than the sum of its proper divisors (12937868).

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

11761660 is a wasteful number, since it uses less digits than its factorization.

11761660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588092 (or 588090 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 11761660 is about 3429.5276642710. The cubic root of 11761660 is about 227.4169724797.

It can be divided in two parts, 11761 and 660, that added together give a palindrome (12421).

The spelling of 11761660 in words is "eleven million, seven hundred sixty-one thousand, six hundred sixty".