10521214 has 16 divisors (see below), whose sum is σ = 17773056. Its totient is φ = 4627800.

The previous prime is 10521169. The next prime is 10521221. The reversal of 10521214 is 41212501.

It is a super-2 number, since 2×10521214² = 221391888067592, 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 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 7 ways as a sum of consecutive naturals, for example, 7032 + ... + 8395.

It is an arithmetic number, because the mean of its divisors is an integer number (1110816).

Almost surely, 2^10521214 is an apocalyptic number.

10521214 is a deficient number, since it is larger than the sum of its proper divisors (7251842).

10521214 is a wasteful number, since it uses less digits than its factorization.

10521214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15471.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 10521214 is about 3243.6420887638. The cubic root of 10521214 is about 219.1233294070.

Adding to 10521214 its reverse (41212501), we get a palindrome (51733715).

The spelling of 10521214 in words is "ten million, five hundred twenty-one thousand, two hundred fourteen".