12998629 has 4 divisors (see below), whose sum is σ = 14855584. Its totient is φ = 11141676.

The previous prime is 12998617. The next prime is 12998633. The reversal of 12998629 is 92689921.

12998629 is digitally balanced in base 3, 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92689921 = 37 ⋅2505133.

It is not a de Polignac number, because 12998629 - 2⁵ = 12998597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12998669) 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, 928467 + ... + 928480.

It is an arithmetic number, because the mean of its divisors is an integer number (3713896).

Almost surely, 2^12998629 is an apocalyptic number.

It is an amenable number.

12998629 is a deficient number, since it is larger than the sum of its proper divisors (1856955).

12998629 is an equidigital number, since it uses as much as digits as its factorization.

12998629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1856954.

The product of its digits is 139968, while the sum is 46.

The square root of 12998629 is about 3605.3611469588. The cubic root of 12998629 is about 235.1252026357.

The spelling of 12998629 in words is "twelve million, nine hundred ninety-eight thousand, six hundred twenty-nine".