12951903 has 16 divisors (see below), whose sum is σ = 17625600. Its totient is φ = 8458560.

The previous prime is 12951889. The next prime is 12951907. The reversal of 12951903 is 30915921.

It is not a de Polignac number, because 12951903 - 2⁵ = 12951871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12951907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47658 + ... + 47928.

It is an arithmetic number, because the mean of its divisors is an integer number (1101600).

Almost surely, 2^12951903 is an apocalyptic number.

12951903 is a deficient number, since it is larger than the sum of its proper divisors (4673697).

12951903 is a wasteful number, since it uses less digits than its factorization.

12951903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542.

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 12951903 is about 3598.8752409607. The cubic root of 12951903 is about 234.8431305580.

The spelling of 12951903 in words is "twelve million, nine hundred fifty-one thousand, nine hundred three".