11724506 has 4 divisors (see below), whose sum is σ = 17586762. Its totient is φ = 5862252.

The previous prime is 11724481. The next prime is 11724527. The reversal of 11724506 is 60542711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60542711 = 449 ⋅134839.

It can be written as a sum of positive squares in only one way, i.e., 11498881 + 225625 = 3391^2 + 475^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2931125 + ... + 2931128.

Almost surely, 2^11724506 is an apocalyptic number.

11724506 is a deficient number, since it is larger than the sum of its proper divisors (5862256).

11724506 is an equidigital number, since it uses as much as digits as its factorization.

11724506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5862255.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 11724506 is about 3424.1065988079. The cubic root of 11724506 is about 227.1772568031.

The spelling of 11724506 in words is "eleven million, seven hundred twenty-four thousand, five hundred six".