12998611 has 8 divisors (see below), whose sum is σ = 13658400. Its totient is φ = 12346752.

The previous prime is 12998597. The next prime is 12998617. The reversal of 12998611 is 11689921.

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

It is a cyclic number.

It is not a de Polignac number, because 12998611 - 2⁷ = 12998483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12998617) 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, 1531 + ... + 5323.

It is an arithmetic number, because the mean of its divisors is an integer number (1707300).

Almost surely, 2^12998611 is an apocalyptic number.

12998611 is a deficient number, since it is larger than the sum of its proper divisors (659789).

12998611 is a wasteful number, since it uses less digits than its factorization.

12998611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3965.

The product of its digits is 7776, while the sum is 37.

The square root of 12998611 is about 3605.3586506754. The cubic root of 12998611 is about 235.1250941049.

The spelling of 12998611 in words is "twelve million, nine hundred ninety-eight thousand, six hundred eleven".