11379857 has 4 divisors (see below), whose sum is σ = 11410740. Its totient is φ = 11348976.

The previous prime is 11379833. The next prime is 11379869. The reversal of 11379857 is 75897311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1948816 + 9431041 = 1396^2 + 3071^2 .

It is a cyclic number.

It is not a de Polignac number, because 11379857 - 2¹⁰ = 11378833 is a prime.

It is a super-2 number, since 2×11379857² = 259002290680898, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (11379887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14882 + ... + 15627.

It is an arithmetic number, because the mean of its divisors is an integer number (2852685).

Almost surely, 2^11379857 is an apocalyptic number.

It is an amenable number.

11379857 is a deficient number, since it is larger than the sum of its proper divisors (30883).

11379857 is an equidigital number, since it uses as much as digits as its factorization.

11379857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30882.

The product of its digits is 52920, while the sum is 41.

The square root of 11379857 is about 3373.4043635473. The cubic root of 11379857 is about 224.9290772351.

The spelling of 11379857 in words is "eleven million, three hundred seventy-nine thousand, eight hundred fifty-seven".