11457871 has 8 divisors (see below), whose sum is σ = 12031920. Its totient is φ = 10895808.

The previous prime is 11457869. The next prime is 11457877. The reversal of 11457871 is 17875411.

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

It is not a de Polignac number, because 11457871 - 2¹ = 11457869 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 (11457877) 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, 1006 + ... + 4891.

It is an arithmetic number, because the mean of its divisors is an integer number (1503990).

Almost surely, 2^11457871 is an apocalyptic number.

11457871 is a deficient number, since it is larger than the sum of its proper divisors (574049).

11457871 is an equidigital number, since it uses as much as digits as its factorization.

11457871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5993.

The product of its digits is 7840, while the sum is 34.

The square root of 11457871 is about 3384.9477100836. The cubic root of 11457871 is about 225.4419035428.

The spelling of 11457871 in words is "eleven million, four hundred fifty-seven thousand, eight hundred seventy-one".