10821418 has 16 divisors (see below), whose sum is σ = 17743104. Its totient is φ = 4927680.

The previous prime is 10821409. The next prime is 10821463. The reversal of 10821418 is 81412801.

10821418 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 10821392 and 10821401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4080 + ... + 6187.

It is an arithmetic number, because the mean of its divisors is an integer number (1108944).

Almost surely, 2^10821418 is an apocalyptic number.

10821418 is a deficient number, since it is larger than the sum of its proper divisors (6921686).

10821418 is a wasteful number, since it uses less digits than its factorization.

10821418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10317.

The product of its (nonzero) digits is 512, while the sum is 25.

The square root of 10821418 is about 3289.5923759639. The cubic root of 10821418 is about 221.1879130373.

It can be divided in two parts, 1082 and 1418, that added together give a square (2500 = 50²).

The spelling of 10821418 in words is "ten million, eight hundred twenty-one thousand, four hundred eighteen".