11724261 has 8 divisors (see below), whose sum is σ = 15888864. Its totient is φ = 7687920.

The previous prime is 11724253. The next prime is 11724281. The reversal of 11724261 is 16242711.

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

It is not a de Polignac number, because 11724261 - 2³ = 11724253 is a prime.

It is a super-2 number, since 2×11724261² = 274916591992242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11724211) 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, 31851 + ... + 32216.

It is an arithmetic number, because the mean of its divisors is an integer number (1986108).

Almost surely, 2^11724261 is an apocalyptic number.

It is an amenable number.

11724261 is a deficient number, since it is larger than the sum of its proper divisors (4164603).

11724261 is an equidigital number, since it uses as much as digits as its factorization.

11724261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64131.

The product of its digits is 672, while the sum is 24.

The square root of 11724261 is about 3424.0708228657. The cubic root of 11724261 is about 227.1756743963.

Adding to 11724261 its reverse (16242711), we get a palindrome (27966972).

The spelling of 11724261 in words is "eleven million, seven hundred twenty-four thousand, two hundred sixty-one".