11725013 has 4 divisors (see below), whose sum is σ = 11760768. Its totient is φ = 11689260.

The previous prime is 11725001. The next prime is 11725039. The reversal of 11725013 is 31052711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11725013 - 2⁴ = 11724997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11725073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17381 + ... + 18042.

It is an arithmetic number, because the mean of its divisors is an integer number (2940192).

Almost surely, 2^11725013 is an apocalyptic number.

It is an amenable number.

11725013 is a deficient number, since it is larger than the sum of its proper divisors (35755).

11725013 is an equidigital number, since it uses as much as digits as its factorization.

11725013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35754.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 11725013 is about 3424.1806319177. The cubic root of 11725013 is about 227.1805313465.

Adding to 11725013 its reverse (31052711), we get a palindrome (42777724).

The spelling of 11725013 in words is "eleven million, seven hundred twenty-five thousand, thirteen".