11645712 has 60 divisors (see below), whose sum is σ = 35104524. Its totient is φ = 3582720.

The previous prime is 11645687. The next prime is 11645717. The reversal of 11645712 is 21754611.

It is a happy number.

11645712 is a `hidden beast` number, since 1 + 1 + 645 + 7 + 12 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 992016 + 10653696 = 996^2 + 3264^2 .

It is not an unprimeable number, because it can be changed into a prime (11645717) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1239 + ... + 4982.

Almost surely, 2^11645712 is an apocalyptic number.

11645712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11645712 is an abundant number, since it is smaller than the sum of its proper divisors (23458812).

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

11645712 is a wasteful number, since it uses less digits than its factorization.

11645712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6248 (or 6239 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 11645712 is about 3412.5814275999. The cubic root of 11645712 is about 226.6672010752.

The spelling of 11645712 in words is "eleven million, six hundred forty-five thousand, seven hundred twelve".