11722493 has 4 divisors (see below), whose sum is σ = 11781600. Its totient is φ = 11663388.

The previous prime is 11722489. The next prime is 11722499. The reversal of 11722493 is 39422711.

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 11722493 - 2² = 11722489 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 (11722499) 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, 29255 + ... + 29652.

It is an arithmetic number, because the mean of its divisors is an integer number (2945400).

Almost surely, 2^11722493 is an apocalyptic number.

It is an amenable number.

11722493 is a deficient number, since it is larger than the sum of its proper divisors (59107).

11722493 is an equidigital number, since it uses as much as digits as its factorization.

11722493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59106.

The product of its digits is 3024, while the sum is 29.

The square root of 11722493 is about 3423.8126409020. The cubic root of 11722493 is about 227.1642545782.

The spelling of 11722493 in words is "eleven million, seven hundred twenty-two thousand, four hundred ninety-three".