12451398 has 16 divisors (see below), whose sum is σ = 25706496. Its totient is φ = 4016520.

The previous prime is 12451339. The next prime is 12451399. The reversal of 12451398 is 89315421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12451399) 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, 33286 + ... + 33657.

It is an arithmetic number, because the mean of its divisors is an integer number (1606656).

Almost surely, 2^12451398 is an apocalyptic number.

12451398 is an abundant number, since it is smaller than the sum of its proper divisors (13255098).

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

12451398 is a wasteful number, since it uses less digits than its factorization.

12451398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66979.

The product of its digits is 8640, while the sum is 33.

The square root of 12451398 is about 3528.6538509749. The cubic root of 12451398 is about 231.7782636660.

The spelling of 12451398 in words is "twelve million, four hundred fifty-one thousand, three hundred ninety-eight".