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11973379 = 111088489

11973379 has 4 divisors (see below), whose sum is σ = 13061880. Its totient is φ = 10884880.

The previous prime is 11973361. The next prime is 11973397. The reversal of 11973379 is 97337911.

It is a happy number.

11973379 is digitally balanced in base 2, 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 an emirpimes, since its reverse is a distinct semiprime: 97337911 = 118848901.

It is an interprime number because it is at equal distance from previous prime (11973361) and next prime (11973397).

It is a cyclic number.

It is not a de Polignac number, because 11973379 - 27 = 11973251 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11973329) 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, 544234 + ... + 544255.

It is an arithmetic number, because the mean of its divisors is an integer number (3265470).

Almost surely, 211973379 is an apocalyptic number.

11973379 is a deficient number, since it is larger than the sum of its proper divisors (1088501).

11973379 is a wasteful number, since it uses less digits than its factorization.

11973379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088500.

The product of its digits is 35721, while the sum is 40.

The square root of 11973379 is about 3460.2570713749. The cubic root of 11973379 is about 228.7734262889.

The spelling of 11973379 in words is "eleven million, nine hundred seventy-three thousand, three hundred seventy-nine".

Divisors: 1 11 1088489 11973379