11725813 has 8 divisors (see below), whose sum is σ = 12819456. Its totient is φ = 10636800.

The previous prime is 11725811. The next prime is 11725823. The reversal of 11725813 is 31852711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11725813 - 2¹ = 11725811 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 (11725811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6220 + ... + 7882.

It is an arithmetic number, because the mean of its divisors is an integer number (1602432).

Almost surely, 2^11725813 is an apocalyptic number.

It is an amenable number.

11725813 is a deficient number, since it is larger than the sum of its proper divisors (1093643).

11725813 is a wasteful number, since it uses less digits than its factorization.

11725813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2315.

The product of its digits is 1680, while the sum is 28.

The square root of 11725813 is about 3424.2974461924. The cubic root of 11725813 is about 227.1856980868.

The spelling of 11725813 in words is "eleven million, seven hundred twenty-five thousand, eight hundred thirteen".