11992003 has 4 divisors (see below), whose sum is σ = 12247200. Its totient is φ = 11736808.

The previous prime is 11991997. The next prime is 11992037. The reversal of 11992003 is 30029911.

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 11992003 - 2²¹ = 9894851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11992063) 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, 127528 + ... + 127621.

It is an arithmetic number, because the mean of its divisors is an integer number (3061800).

Almost surely, 2^11992003 is an apocalyptic number.

11992003 is a deficient number, since it is larger than the sum of its proper divisors (255197).

11992003 is an equidigital number, since it uses as much as digits as its factorization.

11992003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255196.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 11992003 is about 3462.9471552422. The cubic root of 11992003 is about 228.8919800992.

The spelling of 11992003 in words is "eleven million, nine hundred ninety-two thousand, three".