11863289 has 2 divisors, whose sum is σ = 11863290. Its totient is φ = 11863288.

The previous prime is 11863279. The next prime is 11863301. The reversal of 11863289 is 98236811.

11863289 is digitally balanced in base 2 and base 3, because in such bases 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., 11022400 + 840889 = 3320^2 + 917^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11863289 is a prime.

It is a super-3 number, since 3×11863289³ (a number of 22 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11863249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5931644 + 5931645.

It is an arithmetic number, because the mean of its divisors is an integer number (5931645).

Almost surely, 2^11863289 is an apocalyptic number.

It is an amenable number.

11863289 is a deficient number, since it is larger than the sum of its proper divisors (1).

11863289 is an equidigital number, since it uses as much as digits as its factorization.

11863289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 38.

The square root of 11863289 is about 3444.3125584070. The cubic root of 11863289 is about 228.0701089926.

The spelling of 11863289 in words is "eleven million, eight hundred sixty-three thousand, two hundred eighty-nine".