11609679 has 8 divisors (see below), whose sum is σ = 15578800. Its totient is φ = 7690488.

The previous prime is 11609677. The next prime is 11609681. The reversal of 11609679 is 97690611.

11609679 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11609677) and next prime (11609681).

It is an ABA number since it can be written as A⋅B^A, here for A=3, B=157.

It is not a de Polignac number, because 11609679 - 2¹ = 11609677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11609671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73869 + ... + 74025.

It is an arithmetic number, because the mean of its divisors is an integer number (1947350).

Almost surely, 2^11609679 is an apocalyptic number.

11609679 is a deficient number, since it is larger than the sum of its proper divisors (3969121).

11609679 is an frugal number, since it uses more digits than its factorization.

11609679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 11609679 is about 3407.2979030311. The cubic root of 11609679 is about 226.4331825383.

The spelling of 11609679 in words is "eleven million, six hundred nine thousand, six hundred seventy-nine".