11534681 has 8 divisors (see below), whose sum is σ = 11708928. Its totient is φ = 11362000.

The previous prime is 11534671. The next prime is 11534683. The reversal of 11534681 is 18643511.

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 11534681 - 2⁶ = 11534617 is a prime.

It is a super-2 number, since 2×11534681² = 266097731543522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11534683) 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, 24791 + ... + 25251.

It is an arithmetic number, because the mean of its divisors is an integer number (1463616).

Almost surely, 2^11534681 is an apocalyptic number.

It is an amenable number.

11534681 is a deficient number, since it is larger than the sum of its proper divisors (174247).

11534681 is a wasteful number, since it uses less digits than its factorization.

11534681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783.

The product of its digits is 2880, while the sum is 29.

The square root of 11534681 is about 3396.2745766501. The cubic root of 11534681 is about 225.9445461354.

The spelling of 11534681 in words is "eleven million, five hundred thirty-four thousand, six hundred eighty-one".