10294721 has 4 divisors (see below), whose sum is σ = 10301232. Its totient is φ = 10288212.

The previous prime is 10294703. The next prime is 10294729. The reversal of 10294721 is 12749201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10294721 - 2¹⁴ = 10278337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10294729) by changing a digit.

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, 806 + ... + 4608.

It is an arithmetic number, because the mean of its divisors is an integer number (2575308).

Almost surely, 2^10294721 is an apocalyptic number.

It is an amenable number.

10294721 is a deficient number, since it is larger than the sum of its proper divisors (6511).

10294721 is an equidigital number, since it uses as much as digits as its factorization.

10294721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6510.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 10294721 is about 3208.5387639859. The cubic root of 10294721 is about 217.5395339243.

The spelling of 10294721 in words is "ten million, two hundred ninety-four thousand, seven hundred twenty-one".