11681241 has 32 divisors (see below), whose sum is σ = 18598272. Its totient is φ = 6428160.

The previous prime is 11681237. The next prime is 11681273. The reversal of 11681241 is 14218611.

It is not a de Polignac number, because 11681241 - 2² = 11681237 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11681221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31131 + ... + 31503.

It is an arithmetic number, because the mean of its divisors is an integer number (581196).

Almost surely, 2^11681241 is an apocalyptic number.

11681241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11681241 is a deficient number, since it is larger than the sum of its proper divisors (6917031).

11681241 is a wasteful number, since it uses less digits than its factorization.

11681241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473.

The product of its digits is 384, while the sum is 24.

The square root of 11681241 is about 3417.7830533842. The cubic root of 11681241 is about 226.8974741907.

Adding to 11681241 its reverse (14218611), we get a palindrome (25899852).

The spelling of 11681241 in words is "eleven million, six hundred eighty-one thousand, two hundred forty-one".