12427534 has 8 divisors (see below), whose sum is σ = 21304368. Its totient is φ = 5326080.

The previous prime is 12427511. The next prime is 12427579. The reversal of 12427534 is 43572421.

12427534 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

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

It is a super-3 number, since 3×12427534³ (a number of 22 digits) contains 333 as substring.

12427534 is strictly pandigital in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443827 + ... + 443854.

It is an arithmetic number, because the mean of its divisors is an integer number (2663046).

Almost surely, 2^12427534 is an apocalyptic number.

12427534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12427534 is a deficient number, since it is larger than the sum of its proper divisors (8876834).

12427534 is an equidigital number, since it uses as much as digits as its factorization.

12427534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887690.

The product of its digits is 6720, while the sum is 28.

The square root of 12427534 is about 3525.2707697424. The cubic root of 12427534 is about 231.6300957287.

Adding to 12427534 its reverse (43572421), we get a palindrome (55999955).

The spelling of 12427534 in words is "twelve million, four hundred twenty-seven thousand, five hundred thirty-four".