12998435 has 16 divisors (see below), whose sum is σ = 16117920. Its totient is φ = 10056960.

The previous prime is 12998431. The next prime is 12998437. The reversal of 12998435 is 53489921.

12998435 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12998435 - 2² = 12998431 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a junction number, because it is equal to n+sod(n) for n = 12998392 and 12998401.

It is not an unprimeable number, because it can be changed into a prime (12998431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33221 + ... + 33609.

It is an arithmetic number, because the mean of its divisors is an integer number (1007370).

Almost surely, 2^12998435 is an apocalyptic number.

12998435 is a deficient number, since it is larger than the sum of its proper divisors (3119485).

12998435 is a wasteful number, since it uses less digits than its factorization.

12998435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598.

The product of its digits is 77760, while the sum is 41.

The square root of 12998435 is about 3605.3342424802. The cubic root of 12998435 is about 235.1240329094.

The spelling of 12998435 in words is "twelve million, nine hundred ninety-eight thousand, four hundred thirty-five".