11662741 has 4 divisors (see below), whose sum is σ = 11713900. Its totient is φ = 11611584.

The previous prime is 11662711. The next prime is 11662769. The reversal of 11662741 is 14726611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14726611 = 2953 ⋅4987.

It can be written as a sum of positive squares in 2 ways, for example, as 5640625 + 6022116 = 2375^2 + 2454^2 .

It is a cyclic number.

It is not a de Polignac number, because 11662741 - 2⁷ = 11662613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11662711) 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, 25236 + ... + 25693.

It is an arithmetic number, because the mean of its divisors is an integer number (2928475).

Almost surely, 2^11662741 is an apocalyptic number.

It is an amenable number.

11662741 is a deficient number, since it is larger than the sum of its proper divisors (51159).

11662741 is an equidigital number, since it uses as much as digits as its factorization.

11662741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51158.

The product of its digits is 2016, while the sum is 28.

The square root of 11662741 is about 3415.0755482127. The cubic root of 11662741 is about 226.7776290136. Note that the first 3 decimals are identical.

It can be divided in two parts, 11662 and 741, that added together give a triangular number (12403 = T₁₅₇).

The spelling of 11662741 in words is "eleven million, six hundred sixty-two thousand, seven hundred forty-one".