11645772 has 12 divisors (see below), whose sum is σ = 27173496. Its totient is φ = 3881920.

The previous prime is 11645771. The next prime is 11645779. The reversal of 11645772 is 27754611.

11645772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (11645771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485229 + ... + 485252.

It is an arithmetic number, because the mean of its divisors is an integer number (2264458).

Almost surely, 2^11645772 is an apocalyptic number.

11645772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11645772 is an abundant number, since it is smaller than the sum of its proper divisors (15527724).

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

11645772 is a wasteful number, since it uses less digits than its factorization.

11645772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970488 (or 970486 counting only the distinct ones).

The product of its digits is 11760, while the sum is 33.

The square root of 11645772 is about 3412.5902185876. The cubic root of 11645772 is about 226.6675903461.

The spelling of 11645772 in words is "eleven million, six hundred forty-five thousand, seven hundred seventy-two".