13530998 has 8 divisors (see below), whose sum is σ = 21857808. Its totient is φ = 6245064.

The previous prime is 13530991. The next prime is 13531019. The reversal of 13530998 is 89903531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13530991) 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, 260186 + ... + 260237.

It is an arithmetic number, because the mean of its divisors is an integer number (2732226).

Almost surely, 2^13530998 is an apocalyptic number.

13530998 is a deficient number, since it is larger than the sum of its proper divisors (8326810).

13530998 is a wasteful number, since it uses less digits than its factorization.

13530998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520438.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 13530998 is about 3678.4504889967. The cubic root of 13530998 is about 238.2922638847.

The spelling of 13530998 in words is "thirteen million, five hundred thirty thousand, nine hundred ninety-eight".