10721276 has 24 divisors (see below), whose sum is σ = 19455744. Its totient is φ = 5166000.

The previous prime is 10721267. The next prime is 10721279. The reversal of 10721276 is 67212701.

It is a super-2 number, since 2×10721276² = 229891518136352, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10721279) 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, 13901 + ... + 14651.

It is an arithmetic number, because the mean of its divisors is an integer number (810656).

Almost surely, 2^10721276 is an apocalyptic number.

It is an amenable number.

10721276 is a deficient number, since it is larger than the sum of its proper divisors (8734468).

10721276 is a wasteful number, since it uses less digits than its factorization.

10721276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881 (or 879 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 10721276 is about 3274.3359632145. The cubic root of 10721276 is about 220.5035024288.

Adding to 10721276 its reverse (67212701), we get a palindrome (77933977).

The spelling of 10721276 in words is "ten million, seven hundred twenty-one thousand, two hundred seventy-six".