12091377 has 8 divisors (see below), whose sum is σ = 16160320. Its totient is φ = 8041680.

The previous prime is 12091363. The next prime is 12091379. The reversal of 12091377 is 77319021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12091377 - 2¹² = 12087281 is a prime.

It is a super-2 number, since 2×12091377² = 292402795512258, which contains 22 as substring.

It is a Duffinian 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, 3274 + ... + 5907.

It is an arithmetic number, because the mean of its divisors is an integer number (2020040).

Almost surely, 2^12091377 is an apocalyptic number.

It is an amenable number.

12091377 is a deficient number, since it is larger than the sum of its proper divisors (4068943).

12091377 is an equidigital number, since it uses as much as digits as its factorization.

12091377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9623.

The product of its (nonzero) digits is 2646, while the sum is 30.

The square root of 12091377 is about 3477.2657361784. The cubic root of 12091377 is about 229.5224938912.

The spelling of 12091377 in words is "twelve million, ninety-one thousand, three hundred seventy-seven".