12740154 has 16 divisors (see below), whose sum is σ = 29120448. Its totient is φ = 3640032.

The previous prime is 12740153. The next prime is 12740197. The reversal of 12740154 is 45104721.

It is not an unprimeable number, because it can be changed into a prime (12740153) 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 7 ways as a sum of consecutive naturals, for example, 151627 + ... + 151710.

It is an arithmetic number, because the mean of its divisors is an integer number (1820028).

Almost surely, 2^12740154 is an apocalyptic number.

12740154 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12740154 is an abundant number, since it is smaller than the sum of its proper divisors (16380294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12740154 is a wasteful number, since it uses less digits than its factorization.

12740154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303349.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 12740154 is about 3569.3352322246. The cubic root of 12740154 is about 233.5562853123.

Adding to 12740154 its reverse (45104721), we get a palindrome (57844875).

The spelling of 12740154 in words is "twelve million, seven hundred forty thousand, one hundred fifty-four".