11857234 has 4 divisors (see below), whose sum is σ = 17785854. Its totient is φ = 5928616.

The previous prime is 11857217. The next prime is 11857243. The reversal of 11857234 is 43275811.

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

It can be written as a sum of positive squares in only one way, i.e., 9018009 + 2839225 = 3003^2 + 1685^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11857196 and 11857205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2964307 + ... + 2964310.

Almost surely, 2^11857234 is an apocalyptic number.

11857234 is a deficient number, since it is larger than the sum of its proper divisors (5928620).

11857234 is an equidigital number, since it uses as much as digits as its factorization.

11857234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5928619.

The product of its digits is 6720, while the sum is 31.

The square root of 11857234 is about 3443.4334609514. The cubic root of 11857234 is about 228.0313002068.

The spelling of 11857234 in words is "eleven million, eight hundred fifty-seven thousand, two hundred thirty-four".