12103892 has 6 divisors (see below), whose sum is σ = 21181818. Its totient is φ = 6051944.

The previous prime is 12103879. The next prime is 12103907. The reversal of 12103892 is 29830121.

It can be written as a sum of positive squares in only one way, i.e., 12082576 + 21316 = 3476^2 + 146^2 .

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

It is a congruent number.

It is an unprimeable number.

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, 1512983 + ... + 1512990.

It is an arithmetic number, because the mean of its divisors is an integer number (3530303).

Almost surely, 2^12103892 is an apocalyptic number.

It is an amenable number.

12103892 is a deficient number, since it is larger than the sum of its proper divisors (9077926).

12103892 is a wasteful number, since it uses less digits than its factorization.

12103892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3025977 (or 3025975 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 12103892 is about 3479.0648168725. The cubic root of 12103892 is about 229.6016545345.

The spelling of 12103892 in words is "twelve million, one hundred three thousand, eight hundred ninety-two".