13458998 has 16 divisors (see below), whose sum is σ = 23128224. Its totient is φ = 5754240.

The previous prime is 13458997. The next prime is 13459001. The reversal of 13458998 is 89985431.

It is a super-2 number, since 2×13458998² = 362289254328008, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13458997) 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, 6686 + ... + 8462.

It is an arithmetic number, because the mean of its divisors is an integer number (1445514).

Almost surely, 2^13458998 is an apocalyptic number.

13458998 is a deficient number, since it is larger than the sum of its proper divisors (9669226).

13458998 is a wasteful number, since it uses less digits than its factorization.

13458998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2327.

The product of its digits is 311040, while the sum is 47.

The square root of 13458998 is about 3668.6507056410. The cubic root of 13458998 is about 237.8688517852.

The spelling of 13458998 in words is "thirteen million, four hundred fifty-eight thousand, nine hundred ninety-eight".