12354091 has 4 divisors (see below), whose sum is σ = 12616992. Its totient is φ = 12091192.

The previous prime is 12354061. The next prime is 12354101. The reversal of 12354091 is 19045321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19045321 = 17 ⋅1120313.

It is a cyclic number.

It is not a de Polignac number, because 12354091 - 2¹³ = 12345899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12354011) 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, 131380 + ... + 131473.

It is an arithmetic number, because the mean of its divisors is an integer number (3154248).

Almost surely, 2^12354091 is an apocalyptic number.

12354091 is a deficient number, since it is larger than the sum of its proper divisors (262901).

12354091 is an equidigital number, since it uses as much as digits as its factorization.

12354091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262900.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 12354091 is about 3514.8386876214. The cubic root of 12354091 is about 231.1729057840.

The spelling of 12354091 in words is "twelve million, three hundred fifty-four thousand, ninety-one".