7912193 has 4 divisors (see below), whose sum is σ = 7993860. Its totient is φ = 7830528.

The previous prime is 7912181. The next prime is 7912199. The reversal of 7912193 is 3912197.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3912197 = 67 ⋅58391.

It can be written as a sum of positive squares in 2 ways, for example, as 1399489 + 6512704 = 1183^2 + 2552^2 .

It is a cyclic number.

It is not a de Polignac number, because 7912193 - 2¹⁴ = 7895809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7912199) 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, 40688 + ... + 40881.

It is an arithmetic number, because the mean of its divisors is an integer number (1998465).

Almost surely, 2^7912193 is an apocalyptic number.

It is an amenable number.

7912193 is a deficient number, since it is larger than the sum of its proper divisors (81667).

7912193 is an equidigital number, since it uses as much as digits as its factorization.

7912193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81666.

The product of its digits is 3402, while the sum is 32.

The square root of 7912193 is about 2812.8620655837. The cubic root of 7912193 is about 199.2655814480.

The spelling of 7912193 in words is "seven million, nine hundred twelve thousand, one hundred ninety-three".