11747898 has 24 divisors (see below), whose sum is σ = 25590708. Its totient is φ = 3894912.

The previous prime is 11747891. The next prime is 11747921. The reversal of 11747898 is 89874711.

It can be written as a sum of positive squares in 2 ways, for example, as 8277129 + 3470769 = 2877^2 + 1863^2 .

It is not an unprimeable number, because it can be changed into a prime (11747891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1890 + ... + 5202.

Almost surely, 2^11747898 is an apocalyptic number.

11747898 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11747898 is an abundant number, since it is smaller than the sum of its proper divisors (13842810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11747898 is a wasteful number, since it uses less digits than its factorization.

11747898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3518 (or 3515 counting only the distinct ones).

The product of its digits is 112896, while the sum is 45.

The square root of 11747898 is about 3427.5206782746. The cubic root of 11747898 is about 227.3282397149.

The spelling of 11747898 in words is "eleven million, seven hundred forty-seven thousand, eight hundred ninety-eight".