11427857 has 8 divisors (see below), whose sum is σ = 13413696. Its totient is φ = 9530352.

The previous prime is 11427851. The next prime is 11427863. The reversal of 11427857 is 75872411.

11427857 = T₁₅₈ + T₁₅₉ + ... + T₄₁₆.

It is an interprime number because it is at equal distance from previous prime (11427851) and next prime (11427863).

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

It is a cyclic number.

It is not a de Polignac number, because 11427857 - 2¹² = 11423761 is a prime.

It is a super-2 number, since 2×11427857² = 261191831224898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11427851) 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, 21803 + ... + 22320.

It is an arithmetic number, because the mean of its divisors is an integer number (1676712).

Almost surely, 2^11427857 is an apocalyptic number.

It is an amenable number.

11427857 is a deficient number, since it is larger than the sum of its proper divisors (1985839).

11427857 is an equidigital number, since it uses as much as digits as its factorization.

11427857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44167.

The product of its digits is 15680, while the sum is 35.

The square root of 11427857 is about 3380.5113518520. The cubic root of 11427857 is about 225.2448823529.

The spelling of 11427857 in words is "eleven million, four hundred twenty-seven thousand, eight hundred fifty-seven".