11898331 has 4 divisors (see below), whose sum is σ = 12007600. Its totient is φ = 11789064.

The previous prime is 11898287. The next prime is 11898361. The reversal of 11898331 is 13389811.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13389811 = 233 ⋅57467.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11898331 is a prime.

It is a super-2 number, since 2×11898331² = 283140561171122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11898361) 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, 54471 + ... + 54688.

It is an arithmetic number, because the mean of its divisors is an integer number (3001900).

Almost surely, 2^11898331 is an apocalyptic number.

11898331 is a deficient number, since it is larger than the sum of its proper divisors (109269).

11898331 is a wasteful number, since it uses less digits than its factorization.

11898331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109268.

The product of its digits is 5184, while the sum is 34.

The square root of 11898331 is about 3449.3957441848. The cubic root of 11898331 is about 228.2944474719.

The spelling of 11898331 in words is "eleven million, eight hundred ninety-eight thousand, three hundred thirty-one".