11901698 has 8 divisors (see below), whose sum is σ = 17867280. Its totient is φ = 5945940.

The previous prime is 11901697. The next prime is 11901707. The reversal of 11901698 is 89610911.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11901691) 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 3 ways as a sum of consecutive naturals, for example, 2993 + ... + 5723.

It is an arithmetic number, because the mean of its divisors is an integer number (2233410).

Almost surely, 2^11901698 is an apocalyptic number.

11901698 is a deficient number, since it is larger than the sum of its proper divisors (5965582).

11901698 is a wasteful number, since it uses less digits than its factorization.

11901698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4912.

The product of its (nonzero) digits is 3888, while the sum is 35.

The square root of 11901698 is about 3449.8837661579. The cubic root of 11901698 is about 228.3159797611.

The spelling of 11901698 in words is "eleven million, nine hundred one thousand, six hundred ninety-eight".