11426660 has 24 divisors (see below), whose sum is σ = 27424320. Its totient is φ = 3917664.

The previous prime is 11426647. The next prime is 11426663. The reversal of 11426660 is 6662411.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11426663) 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, 40670 + ... + 40949.

It is an arithmetic number, because the mean of its divisors is an integer number (1142680).

Almost surely, 2^11426660 is an apocalyptic number.

11426660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11426660 is an abundant number, since it is smaller than the sum of its proper divisors (15997660).

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

11426660 is a wasteful number, since it uses less digits than its factorization.

11426660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81635 (or 81633 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 11426660 is about 3380.3343029943. The cubic root of 11426660 is about 225.2370177247.

The spelling of 11426660 in words is "eleven million, four hundred twenty-six thousand, six hundred sixty".