12998416 has 10 divisors (see below), whose sum is σ = 25184462. Its totient is φ = 6499200.

The previous prime is 12998411. The next prime is 12998417. The reversal of 12998416 is 61489921.

It can be written as a sum of positive squares in only one way, i.e., 12960000 + 38416 = 3600^2 + 196^2 .

It is not an unprimeable number, because it can be changed into a prime (12998411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 406185 + ... + 406216.

Almost surely, 2^12998416 is an apocalyptic number.

12998416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12998416 is a deficient number, since it is larger than the sum of its proper divisors (12186046).

12998416 is an equidigital number, since it uses as much as digits as its factorization.

12998416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812409 (or 812403 counting only the distinct ones).

The product of its digits is 31104, while the sum is 40.

The square root of 12998416 is about 3605.3316074947. The cubic root of 12998416 is about 235.1239183479.

The spelling of 12998416 in words is "twelve million, nine hundred ninety-eight thousand, four hundred sixteen".