11728607 has 4 divisors (see below), whose sum is σ = 12794856. Its totient is φ = 10662360.

The previous prime is 11728601. The next prime is 11728621. The reversal of 11728607 is 70682711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70682711 = 11 ⋅6425701.

It is a cyclic number.

It is not a de Polignac number, because 11728607 - 2⁶ = 11728543 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 (11728601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 533108 + ... + 533129.

It is an arithmetic number, because the mean of its divisors is an integer number (3198714).

Almost surely, 2^11728607 is an apocalyptic number.

11728607 is a deficient number, since it is larger than the sum of its proper divisors (1066249).

11728607 is a wasteful number, since it uses less digits than its factorization.

11728607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066248.

The product of its (nonzero) digits is 4704, while the sum is 32.

The square root of 11728607 is about 3424.7053887889. The cubic root of 11728607 is about 227.2037410839.

It can be divided in two parts, 1172 and 8607, that added together give a palindrome (9779).

The spelling of 11728607 in words is "eleven million, seven hundred twenty-eight thousand, six hundred seven".