11878271 has 2 divisors, whose sum is σ = 11878272. Its totient is φ = 11878270.

The previous prime is 11878267. The next prime is 11878289. The reversal of 11878271 is 17287811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11878271 - 2² = 11878267 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11878171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5939135 + 5939136.

It is an arithmetic number, because the mean of its divisors is an integer number (5939136).

Almost surely, 2^11878271 is an apocalyptic number.

11878271 is a deficient number, since it is larger than the sum of its proper divisors (1).

11878271 is an equidigital number, since it uses as much as digits as its factorization.

11878271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6272, while the sum is 35.

The square root of 11878271 is about 3446.4867619070. The cubic root of 11878271 is about 228.1660775719.

The spelling of 11878271 in words is "eleven million, eight hundred seventy-eight thousand, two hundred seventy-one".