11978093 has 4 divisors (see below), whose sum is σ = 12012960. Its totient is φ = 11943228.

The previous prime is 11978077. The next prime is 11978107. The reversal of 11978093 is 39087911.

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 11978093 - 2⁴ = 11978077 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 (11978023) 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, 16913 + ... + 17606.

It is an arithmetic number, because the mean of its divisors is an integer number (3003240).

Almost surely, 2^11978093 is an apocalyptic number.

It is an amenable number.

11978093 is a deficient number, since it is larger than the sum of its proper divisors (34867).

11978093 is an equidigital number, since it uses as much as digits as its factorization.

11978093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34866.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 11978093 is about 3460.9381676072. The cubic root of 11978093 is about 228.8034455628.

The spelling of 11978093 in words is "eleven million, nine hundred seventy-eight thousand, ninety-three".