11670644 has 12 divisors (see below), whose sum is σ = 21128100. Its totient is φ = 5634048.

The previous prime is 11670641. The next prime is 11670671. The reversal of 11670644 is 44607611.

It can be written as a sum of positive squares in 2 ways, for example, as 6697744 + 4972900 = 2588^2 + 2230^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11670641) 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, 50189 + ... + 50420.

It is an arithmetic number, because the mean of its divisors is an integer number (1760675).

Almost surely, 2^11670644 is an apocalyptic number.

It is an amenable number.

11670644 is a deficient number, since it is larger than the sum of its proper divisors (9457456).

11670644 is a wasteful number, since it uses less digits than its factorization.

11670644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100642 (or 100640 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 11670644 is about 3416.2324276899. The cubic root of 11670644 is about 226.8288410724.

The spelling of 11670644 in words is "eleven million, six hundred seventy thousand, six hundred forty-four".