13642998 has 8 divisors (see below), whose sum is σ = 27286008. Its totient is φ = 4547664.

The previous prime is 13642987. The next prime is 13643011. The reversal of 13642998 is 89924631.

13642998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

13642998 is an admirable number.

It is a super-2 number, since 2×13642998² = 372262788856008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1136911 + ... + 1136922.

It is an arithmetic number, because the mean of its divisors is an integer number (3410751).

Almost surely, 2^13642998 is an apocalyptic number.

13642998 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13642998 is a wasteful number, since it uses less digits than its factorization.

13642998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2273838.

The product of its digits is 93312, while the sum is 42.

The square root of 13642998 is about 3693.6429172295. The cubic root of 13642998 is about 238.9479295771.

It can be divided in two parts, 136 and 42998, that added together give a palindrome (43134).

The spelling of 13642998 in words is "thirteen million, six hundred forty-two thousand, nine hundred ninety-eight".