12091375 has 8 divisors (see below), whose sum is σ = 15090192. Its totient is φ = 9673000.

The previous prime is 12091363. The next prime is 12091379. The reversal of 12091375 is 57319021.

It is not a de Polignac number, because 12091375 - 2⁹ = 12090863 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 (12091379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48241 + ... + 48490.

It is an arithmetic number, because the mean of its divisors is an integer number (1886274).

Almost surely, 2^12091375 is an apocalyptic number.

12091375 is a deficient number, since it is larger than the sum of its proper divisors (2998817).

12091375 is an frugal number, since it uses more digits than its factorization.

12091375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96746 (or 96736 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 12091375 is about 3477.2654485961. The cubic root of 12091375 is about 229.5224812364.

The spelling of 12091375 in words is "twelve million, ninety-one thousand, three hundred seventy-five".