11620724 has 24 divisors (see below), whose sum is σ = 21836808. Its totient is φ = 5391360.

The previous prime is 11620717. The next prime is 11620729. The reversal of 11620724 is 42702611.

It can be written as a sum of positive squares in 4 ways, for example, as 4276624 + 7344100 = 2068^2 + 2710^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11620724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11620729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3794 + ... + 6134.

It is an arithmetic number, because the mean of its divisors is an integer number (909867).

Almost surely, 2^11620724 is an apocalyptic number.

It is an amenable number.

11620724 is a deficient number, since it is larger than the sum of its proper divisors (10216084).

11620724 is a wasteful number, since it uses less digits than its factorization.

11620724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2435 (or 2433 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 11620724 is about 3408.9183035092. The cubic root of 11620724 is about 226.5049663724.

The spelling of 11620724 in words is "eleven million, six hundred twenty thousand, seven hundred twenty-four".