10721293 has 8 divisors (see below), whose sum is σ = 11806560. Its totient is φ = 9654480.

The previous prime is 10721287. The next prime is 10721297. The reversal of 10721293 is 39212701.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10721293 - 2⁵ = 10721261 is a prime.

It is a super-2 number, since 2×10721293² = 229892247183698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10721297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3378 + ... + 5731.

It is an arithmetic number, because the mean of its divisors is an integer number (1475820).

Almost surely, 2^10721293 is an apocalyptic number.

It is an amenable number.

10721293 is a deficient number, since it is larger than the sum of its proper divisors (1085267).

10721293 is a wasteful number, since it uses less digits than its factorization.

10721293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9227.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 10721293 is about 3274.3385591597. The cubic root of 10721293 is about 220.5036189745.

Adding to 10721293 its reverse (39212701), we get a palindrome (49933994).

The spelling of 10721293 in words is "ten million, seven hundred twenty-one thousand, two hundred ninety-three".