11620289 has 2 divisors, whose sum is σ = 11620290. Its totient is φ = 11620288.

The previous prime is 11620283. The next prime is 11620339. The reversal of 11620289 is 98202611.

11620289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9394225 + 2226064 = 3065^2 + 1492^2 .

It is a cyclic number.

It is not a de Polignac number, because 11620289 - 2⁸ = 11620033 is a prime.

It is a super-2 number, since 2×11620289² = 270062232887042, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11620283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5810144 + 5810145.

It is an arithmetic number, because the mean of its divisors is an integer number (5810145).

Almost surely, 2^11620289 is an apocalyptic number.

It is an amenable number.

11620289 is a deficient number, since it is larger than the sum of its proper divisors (1).

11620289 is an equidigital number, since it uses as much as digits as its factorization.

11620289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 11620289 is about 3408.8544996817. The cubic root of 11620289 is about 226.5021400743.

The spelling of 11620289 in words is "eleven million, six hundred twenty thousand, two hundred eighty-nine".