11553797 has 4 divisors (see below), whose sum is σ = 12056160. Its totient is φ = 11051436.

The previous prime is 11553779. The next prime is 11553809. The reversal of 11553797 is 79735511.

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 11553797 - 2⁶ = 11553733 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11553797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11553757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251147 + ... + 251192.

It is an arithmetic number, because the mean of its divisors is an integer number (3014040).

Almost surely, 2^11553797 is an apocalyptic number.

It is an amenable number.

11553797 is a deficient number, since it is larger than the sum of its proper divisors (502363).

11553797 is an equidigital number, since it uses as much as digits as its factorization.

11553797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502362.

The product of its digits is 33075, while the sum is 38.

The square root of 11553797 is about 3399.0876717143. The cubic root of 11553797 is about 226.0692937594.

The spelling of 11553797 in words is "eleven million, five hundred fifty-three thousand, seven hundred ninety-seven".