12903992 has 8 divisors (see below), whose sum is σ = 24195000. Its totient is φ = 6451992.

The previous prime is 12903977. The next prime is 12904027. The reversal of 12903992 is 29930921.

It is a tau number, because it is divible by the number of its divisors (8).

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, 806492 + ... + 806507.

It is an arithmetic number, because the mean of its divisors is an integer number (3024375).

Almost surely, 2^12903992 is an apocalyptic number.

It is an amenable number.

12903992 is a deficient number, since it is larger than the sum of its proper divisors (11291008).

12903992 is a wasteful number, since it uses less digits than its factorization.

12903992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613005 (or 1613001 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 12903992 is about 3592.2126885807. The cubic root of 12903992 is about 234.5531996357.

The spelling of 12903992 in words is "twelve million, nine hundred three thousand, nine hundred ninety-two".