10712021 has 2 divisors, whose sum is σ = 10712022. Its totient is φ = 10712020.

The previous prime is 10712011. The next prime is 10712047. The reversal of 10712021 is 12021701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10491121 + 220900 = 3239^2 + 470^2 .

It is an emirp because it is prime and its reverse (12021701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10712021 - 2¹⁴ = 10695637 is a prime.

It is a super-2 number, since 2×10712021² = 229494787808882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10711987 and 10712005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10712011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5356010 + 5356011.

It is an arithmetic number, because the mean of its divisors is an integer number (5356011).

Almost surely, 2^10712021 is an apocalyptic number.

It is an amenable number.

10712021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10712021 is an equidigital number, since it uses as much as digits as its factorization.

10712021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 10712021 is about 3272.9223944359. The cubic root of 10712021 is about 220.4400352501.

Adding to 10712021 its reverse (12021701), we get a palindrome (22733722).

The spelling of 10712021 in words is "ten million, seven hundred twelve thousand, twenty-one".