11387271 has 8 divisors (see below), whose sum is σ = 17352064. Its totient is φ = 6507000.

The previous prime is 11387269. The next prime is 11387273. The reversal of 11387271 is 17278311.

11387271 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11387269) and next prime (11387273).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11387271 - 2¹ = 11387269 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 (11387273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271105 + ... + 271146.

It is an arithmetic number, because the mean of its divisors is an integer number (2169008).

Almost surely, 2^11387271 is an apocalyptic number.

11387271 is a deficient number, since it is larger than the sum of its proper divisors (5964793).

11387271 is an equidigital number, since it uses as much as digits as its factorization.

11387271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542261.

The product of its digits is 2352, while the sum is 30.

The square root of 11387271 is about 3374.5030745282. The cubic root of 11387271 is about 224.9779138815.

The spelling of 11387271 in words is "eleven million, three hundred eighty-seven thousand, two hundred seventy-one".