12340181 has 8 divisors (see below), whose sum is σ = 14932800. Its totient is φ = 9955008.

The previous prime is 12340171. The next prime is 12340193. The reversal of 12340181 is 18104321.

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

It is not a de Polignac number, because 12340181 - 2¹⁴ = 12323797 is a prime.

It is a super-2 number, since 2×12340181² = 304560134225522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12340171) 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, 51731 + ... + 51968.

It is an arithmetic number, because the mean of its divisors is an integer number (1866600).

Almost surely, 2^12340181 is an apocalyptic number.

It is an amenable number.

12340181 is a deficient number, since it is larger than the sum of its proper divisors (2592619).

12340181 is a wasteful number, since it uses less digits than its factorization.

12340181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103723.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 12340181 is about 3512.8593766332. The cubic root of 12340181 is about 231.0861107096.

It can be divided in two parts, 12340 and 181, that added together give a palindrome (12521).

The spelling of 12340181 in words is "twelve million, three hundred forty thousand, one hundred eighty-one".