11898417 has 4 divisors (see below), whose sum is σ = 15864560. Its totient is φ = 7932276.

The previous prime is 11898373. The next prime is 11898431. The reversal of 11898417 is 71489811.

11898417 is digitally balanced in base 2 and base 4, because in such bases 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11898417 - 2¹⁰ = 11897393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11898517) 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, 1983067 + ... + 1983072.

It is an arithmetic number, because the mean of its divisors is an integer number (3966140).

Almost surely, 2^11898417 is an apocalyptic number.

It is an amenable number.

11898417 is a deficient number, since it is larger than the sum of its proper divisors (3966143).

11898417 is an equidigital number, since it uses as much as digits as its factorization.

11898417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3966142.

The product of its digits is 16128, while the sum is 39.

The square root of 11898417 is about 3449.4082101137. The cubic root of 11898417 is about 228.2949975007.

The spelling of 11898417 in words is "eleven million, eight hundred ninety-eight thousand, four hundred seventeen".