11887313 has 2 divisors, whose sum is σ = 11887314. Its totient is φ = 11887312.

The previous prime is 11887283. The next prime is 11887319. The reversal of 11887313 is 31378811.

11887313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10163344 + 1723969 = 3188^2 + 1313^2 .

It is a cyclic number.

It is not a de Polignac number, because 11887313 - 2¹⁰ = 11886289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11887313.

It is not a weakly prime, because it can be changed into another prime (11887319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5943656 + 5943657.

It is an arithmetic number, because the mean of its divisors is an integer number (5943657).

Almost surely, 2^11887313 is an apocalyptic number.

It is an amenable number.

11887313 is a deficient number, since it is larger than the sum of its proper divisors (1).

11887313 is an equidigital number, since it uses as much as digits as its factorization.

11887313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 32.

The square root of 11887313 is about 3447.7982829626. The cubic root of 11887313 is about 228.2239578927.

The spelling of 11887313 in words is "eleven million, eight hundred eighty-seven thousand, three hundred thirteen".