11285660 has 24 divisors (see below), whose sum is σ = 24279696. Its totient is φ = 4403840.

The previous prime is 11285657. The next prime is 11285683. The reversal of 11285660 is 6658211.

11285660 = T₂₂₄ + T₂₂₅ + ... + T₄₂₈.

It is a happy number.

It is a super-2 number, since 2×11285660² = 254732243271200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6062 + ... + 7701.

It is an arithmetic number, because the mean of its divisors is an integer number (1011654).

Almost surely, 2^11285660 is an apocalyptic number.

11285660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11285660 is an abundant number, since it is smaller than the sum of its proper divisors (12994036).

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

11285660 is a wasteful number, since it uses less digits than its factorization.

11285660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13813 (or 13811 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 11285660 is about 3359.4136393127. The cubic root of 11285660 is about 224.3067385711.

The spelling of 11285660 in words is "eleven million, two hundred eighty-five thousand, six hundred sixty".