12898427 has 4 divisors (see below), whose sum is σ = 13657176. Its totient is φ = 12139680.

The previous prime is 12898399. The next prime is 12898439. The reversal of 12898427 is 72489821.

12898427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12898427 - 2⁶ = 12898363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12895427) 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, 379349 + ... + 379382.

It is an arithmetic number, because the mean of its divisors is an integer number (3414294).

Almost surely, 2^12898427 is an apocalyptic number.

12898427 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12898427 is a deficient number, since it is larger than the sum of its proper divisors (758749).

12898427 is an equidigital number, since it uses as much as digits as its factorization.

12898427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758748.

The product of its digits is 64512, while the sum is 41.

The square root of 12898427 is about 3591.4380128300. The cubic root of 12898427 is about 234.5194768353.

The spelling of 12898427 in words is "twelve million, eight hundred ninety-eight thousand, four hundred twenty-seven".