11818417 has 16 divisors (see below), whose sum is σ = 13744080. Its totient is φ = 10063872.

The previous prime is 11818393. The next prime is 11818439. The reversal of 11818417 is 71481811.

11818417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 12321 + 11806096 = 111^2 + 3436^2 .

It is not a de Polignac number, because 11818417 - 2¹⁵ = 11785649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11818217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11209 + ... + 12217.

It is an arithmetic number, because the mean of its divisors is an integer number (859005).

Almost surely, 2^11818417 is an apocalyptic number.

11818417 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11818417 is a deficient number, since it is larger than the sum of its proper divisors (1925663).

11818417 is a wasteful number, since it uses less digits than its factorization.

11818417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092.

The product of its digits is 1792, while the sum is 31.

The square root of 11818417 is about 3437.7924602861. The cubic root of 11818417 is about 227.7821929917.

The spelling of 11818417 in words is "eleven million, eight hundred eighteen thousand, four hundred seventeen".