11973153 has 4 divisors (see below), whose sum is σ = 15964208. Its totient is φ = 7982100.

The previous prime is 11973149. The next prime is 11973167. The reversal of 11973153 is 35137911.

It is a happy number.

11973153 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 11973153 - 2² = 11973149 is a prime.

It is a super-2 number, since 2×11973153² = 286712785522818, which contains 22 as substring.

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 11973153.

It is not an unprimeable number, because it can be changed into a prime (11973113) 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 3 ways as a sum of consecutive naturals, for example, 1995523 + ... + 1995528.

It is an arithmetic number, because the mean of its divisors is an integer number (3991052).

Almost surely, 2^11973153 is an apocalyptic number.

It is an amenable number.

11973153 is a deficient number, since it is larger than the sum of its proper divisors (3991055).

11973153 is an equidigital number, since it uses as much as digits as its factorization.

11973153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3991054.

The product of its digits is 2835, while the sum is 30.

The square root of 11973153 is about 3460.2244146876. The cubic root of 11973153 is about 228.7719868979.

The spelling of 11973153 in words is "eleven million, nine hundred seventy-three thousand, one hundred fifty-three".