9951272 has 16 divisors (see below), whose sum is σ = 19470240. Its totient is φ = 4759216.

The previous prime is 9951257. The next prime is 9951281. The reversal of 9951272 is 2721599.

It is an Ulam 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 in 3 ways as a sum of consecutive naturals, for example, 26858 + ... + 27225.

It is an arithmetic number, because the mean of its divisors is an integer number (1216890).

Almost surely, 2^9951272 is an apocalyptic number.

9951272 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

9951272 is a deficient number, since it is larger than the sum of its proper divisors (9518968).

9951272 is a wasteful number, since it uses less digits than its factorization.

9951272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54112 (or 54108 counting only the distinct ones).

The product of its digits is 11340, while the sum is 35.

The square root of 9951272 is about 3154.5636782287. The cubic root of 9951272 is about 215.0929614222.

The spelling of 9951272 in words is "nine million, nine hundred fifty-one thousand, two hundred seventy-two".