11864261 has 8 divisors (see below), whose sum is σ = 12055680. Its totient is φ = 11674512.

The previous prime is 11864243. The next prime is 11864263. The reversal of 11864261 is 16246811.

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 11864261 - 2⁶ = 11864197 is a prime.

It is a super-2 number, since 2×11864261² = 281521378152242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11864263) 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, 23336 + ... + 23838.

It is an arithmetic number, because the mean of its divisors is an integer number (1506960).

Almost surely, 2^11864261 is an apocalyptic number.

It is an amenable number.

11864261 is a deficient number, since it is larger than the sum of its proper divisors (191419).

11864261 is a wasteful number, since it uses less digits than its factorization.

11864261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835.

The product of its digits is 2304, while the sum is 29.

The square root of 11864261 is about 3444.4536576938. The cubic root of 11864261 is about 228.0763376782.

The spelling of 11864261 in words is "eleven million, eight hundred sixty-four thousand, two hundred sixty-one".