11898047 has 8 divisors (see below), whose sum is σ = 14313600. Its totient is φ = 9661464.

The previous prime is 11898043. The next prime is 11898059. The reversal of 11898047 is 74089811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11898047 - 2² = 11898043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11898047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11898041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44597 + ... + 44862.

It is an arithmetic number, because the mean of its divisors is an integer number (1789200).

Almost surely, 2^11898047 is an apocalyptic number.

11898047 is a deficient number, since it is larger than the sum of its proper divisors (2415553).

11898047 is an equidigital number, since it uses as much as digits as its factorization.

11898047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89485.

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 11898047 is about 3449.3545773086. The cubic root of 11898047 is about 228.2926310788.

It can be divided in two parts, 1189804 and 7, that added together give a palindrome (1189811).

The spelling of 11898047 in words is "eleven million, eight hundred ninety-eight thousand, forty-seven".