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13390998 = 232231833
BaseRepresentation
bin110011000101…
…010010010110
3221012022222220
4303011102112
511412002443
61155003210
7221551545
oct63052226
927168886
1013390998
117616945
124599506
132a0b18a
141ac815c
151297a83
hexcc5496

13390998 has 8 divisors (see below), whose sum is σ = 26782008. Its totient is φ = 4463664.

The previous prime is 13390997. The next prime is 13390999. The reversal of 13390998 is 89909331.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13390997) and next prime (13390999).

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

13390998 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13390997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1115911 + ... + 1115922.

It is an arithmetic number, because the mean of its divisors is an integer number (3347751).

Almost surely, 213390998 is an apocalyptic number.

13390998 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.

13390998 is a wasteful number, since it uses less digits than its factorization.

13390998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231838.

The product of its (nonzero) digits is 52488, while the sum is 42.

The square root of 13390998 is about 3659.3712574703. The cubic root of 13390998 is about 237.4675737817.

The spelling of 13390998 in words is "thirteen million, three hundred ninety thousand, nine hundred ninety-eight".

Divisors: 1 2 3 6 2231833 4463666 6695499 13390998