10512321 has 4 divisors (see below), whose sum is σ = 14016432. Its totient is φ = 7008212.

The previous prime is 10512319. The next prime is 10512347. The reversal of 10512321 is 12321501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10512321 - 2¹ = 10512319 is a prime.

It is a super-2 number, since 2×10512321² = 221017785614082, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10512321.

It is not an unprimeable number, because it can be changed into a prime (10512121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1752051 + ... + 1752056.

It is an arithmetic number, because the mean of its divisors is an integer number (3504108).

Almost surely, 2^10512321 is an apocalyptic number.

It is an amenable number.

10512321 is a deficient number, since it is larger than the sum of its proper divisors (3504111).

10512321 is an equidigital number, since it uses as much as digits as its factorization.

10512321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3504110.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 10512321 is about 3242.2709633835. The cubic root of 10512321 is about 219.0615743960.

Adding to 10512321 its reverse (12321501), we get a palindrome (22833822).

The spelling of 10512321 in words is "ten million, five hundred twelve thousand, three hundred twenty-one".