11612789 has 4 divisors (see below), whose sum is σ = 12013260. Its totient is φ = 11212320.

The previous prime is 11612759. The next prime is 11612791. The reversal of 11612789 is 98721611.

11612789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98721611 = 83 ⋅1189417.

It can be written as a sum of positive squares in 2 ways, for example, as 4695889 + 6916900 = 2167^2 + 2630^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11612789 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 (11612749) 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, 200192 + ... + 200249.

It is an arithmetic number, because the mean of its divisors is an integer number (3003315).

Almost surely, 2^11612789 is an apocalyptic number.

It is an amenable number.

11612789 is a deficient number, since it is larger than the sum of its proper divisors (400471).

11612789 is an equidigital number, since it uses as much as digits as its factorization.

11612789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400470.

The product of its digits is 6048, while the sum is 35.

The square root of 11612789 is about 3407.7542458341. The cubic root of 11612789 is about 226.4533997015.

It can be divided in two parts, 116 and 12789, that multiplied together give a square (1483524 = 1218²).

The spelling of 11612789 in words is "eleven million, six hundred twelve thousand, seven hundred eighty-nine".