13255998 has 32 divisors (see below), whose sum is σ = 30407424. Its totient is φ = 3773952.

The previous prime is 13255951. The next prime is 13255999. The reversal of 13255998 is 89955231.

13255998 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 a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13255999) 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, 22686 + ... + 23262.

It is an arithmetic number, because the mean of its divisors is an integer number (950232).

Almost surely, 2^13255998 is an apocalyptic number.

13255998 is an abundant number, since it is smaller than the sum of its proper divisors (17151426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13255998 is a wasteful number, since it uses less digits than its factorization.

13255998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136.

The product of its digits is 97200, while the sum is 42.

The square root of 13255998 is about 3640.8787400846. The cubic root of 13255998 is about 236.6668751789. Note that the first 3 decimals are identical.

The spelling of 13255998 in words is "thirteen million, two hundred fifty-five thousand, nine hundred ninety-eight".