11992103 has 4 divisors (see below), whose sum is σ = 12064080. Its totient is φ = 11920128.

The previous prime is 11992069. The next prime is 11992111. The reversal of 11992103 is 30129911.

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

It is a cyclic number.

It is not a de Polignac number, because 11992103 - 2¹⁶ = 11926567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11992193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35738 + ... + 36071.

It is an arithmetic number, because the mean of its divisors is an integer number (3016020).

Almost surely, 2^11992103 is an apocalyptic number.

11992103 is a deficient number, since it is larger than the sum of its proper divisors (71977).

11992103 is an equidigital number, since it uses as much as digits as its factorization.

11992103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71976.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 11992103 is about 3462.9615937807. The cubic root of 11992103 is about 228.8926163324.

The spelling of 11992103 in words is "eleven million, nine hundred ninety-two thousand, one hundred three".