10821413 has 4 divisors (see below), whose sum is σ = 10833900. Its totient is φ = 10808928.

The previous prime is 10821409. The next prime is 10821463. The reversal of 10821413 is 31412801.

10821413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31412801 = 7 ⋅4487543.

It can be written as a sum of positive squares in 2 ways, for example, as 5654884 + 5166529 = 2378^2 + 2273^2 .

It is a cyclic number.

It is not a de Polignac number, because 10821413 - 2² = 10821409 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10821463) 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, 4838 + ... + 6711.

It is an arithmetic number, because the mean of its divisors is an integer number (2708475).

Almost surely, 2^10821413 is an apocalyptic number.

It is an amenable number.

10821413 is a deficient number, since it is larger than the sum of its proper divisors (12487).

10821413 is an equidigital number, since it uses as much as digits as its factorization.

10821413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12486.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 10821413 is about 3289.5916159913. The cubic root of 10821413 is about 221.1878789709.

It can be divided in two parts, 1082141 and 3, that multiplied together give a palindrome (3246423).

The spelling of 10821413 in words is "ten million, eight hundred twenty-one thousand, four hundred thirteen".