10511213 has 4 divisors (see below), whose sum is σ = 10569468. Its totient is φ = 10452960.

The previous prime is 10511183. The next prime is 10511227. The reversal of 10511213 is 31211501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31211501 = 191 ⋅163411.

It can be written as a sum of positive squares in 2 ways, for example, as 252004 + 10259209 = 502^2 + 3203^2 .

It is a cyclic number.

It is not a de Polignac number, because 10511213 - 2¹⁴ = 10494829 is a prime.

It is a super-2 number, since 2×10511213² = 220971197462738, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10511233) by changing a digit.

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, 28856 + ... + 29217.

It is an arithmetic number, because the mean of its divisors is an integer number (2642367).

Almost surely, 2^10511213 is an apocalyptic number.

It is an amenable number.

10511213 is a deficient number, since it is larger than the sum of its proper divisors (58255).

10511213 is an equidigital number, since it uses as much as digits as its factorization.

10511213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58254.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 10511213 is about 3242.1000909904. The cubic root of 10511213 is about 219.0538777527.

Adding to 10511213 its reverse (31211501), we get a palindrome (41722714).

The spelling of 10511213 in words is "ten million, five hundred eleven thousand, two hundred thirteen".