12103834 has 4 divisors (see below), whose sum is σ = 18155754. Its totient is φ = 6051916.

The previous prime is 12103831. The next prime is 12103837. The reversal of 12103834 is 43830121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43830121 = 1367 ⋅32063.

It is an interprime number because it is at equal distance from previous prime (12103831) and next prime (12103837).

It can be written as a sum of positive squares in only one way, i.e., 11923209 + 180625 = 3453^2 + 425^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (12103831) 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 as a sum of consecutive naturals, namely, 3025957 + ... + 3025960.

Almost surely, 2^12103834 is an apocalyptic number.

12103834 is a deficient number, since it is larger than the sum of its proper divisors (6051920).

12103834 is an equidigital number, since it uses as much as digits as its factorization.

12103834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6051919.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 12103834 is about 3479.0564812891. The cubic root of 12103834 is about 229.6012877952.

Adding to 12103834 its reverse (43830121), we get a palindrome (55933955).

The spelling of 12103834 in words is "twelve million, one hundred three thousand, eight hundred thirty-four".