12340154 has 8 divisors (see below), whose sum is σ = 18525888. Its totient is φ = 6164860.

The previous prime is 12340103. The next prime is 12340157. The reversal of 12340154 is 45104321.

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

It is not an unprimeable number, because it can be changed into a prime (12340157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1919 + ... + 5325.

It is an arithmetic number, because the mean of its divisors is an integer number (2315736).

Almost surely, 2^12340154 is an apocalyptic number.

12340154 is a deficient number, since it is larger than the sum of its proper divisors (6185734).

12340154 is a wasteful number, since it uses less digits than its factorization.

12340154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5220.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 12340154 is about 3512.8555336080. The cubic root of 12340154 is about 231.0859421727.

Adding to 12340154 its reverse (45104321), we get a palindrome (57444475).

The spelling of 12340154 in words is "twelve million, three hundred forty thousand, one hundred fifty-four".