12998835 has 24 divisors (see below), whose sum is σ = 22692384. Its totient is φ = 6883200.

The previous prime is 12998819. The next prime is 12998849. The reversal of 12998835 is 53889921.

It is a happy number.

12998835 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12998835 - 2⁴ = 12998819 is a prime.

It is a super-2 number, since 2×12998835² = 337939422714450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5839 + ... + 7751.

It is an arithmetic number, because the mean of its divisors is an integer number (945516).

Almost surely, 2^12998835 is an apocalyptic number.

12998835 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12998835 is a deficient number, since it is larger than the sum of its proper divisors (9693549).

12998835 is a wasteful number, since it uses less digits than its factorization.

12998835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2075 (or 2072 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 12998835 is about 3605.3897154122. The cubic root of 12998835 is about 235.1264447035.

The spelling of 12998835 in words is "twelve million, nine hundred ninety-eight thousand, eight hundred thirty-five".