10021712 has 20 divisors (see below), whose sum is σ = 19891956. Its totient is φ = 4888320.

The previous prime is 10021699. The next prime is 10021723. The reversal of 10021712 is 21712001.

It can be written as a sum of positive squares in 2 ways, for example, as 633616 + 9388096 = 796^2 + 3064^2 .

It is a super-2 number, since 2×10021712² = 200869422821888, which contains 22 as substring.

It is a congruent 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, 6983 + ... + 8294.

Almost surely, 2^10021712 is an apocalyptic number.

It is an amenable number.

10021712 is a deficient number, since it is larger than the sum of its proper divisors (9870244).

10021712 is a wasteful number, since it uses less digits than its factorization.

10021712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15326 (or 15320 counting only the distinct ones).

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

The square root of 10021712 is about 3165.7087674011. The cubic root of 10021712 is about 215.5992799120.

Adding to 10021712 its reverse (21712001), we get a palindrome (31733713).

It can be divided in two parts, 100 and 21712, that added together give a palindrome (21812).

The spelling of 10021712 in words is "ten million, twenty-one thousand, seven hundred twelve".