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13304199 = 319233407
BaseRepresentation
bin110010110000…
…000110000111
3221000220221010
4302300012013
511401213244
61153053303
7221040516
oct62600607
927026833
1013304199
117567707
124557233
1329aa80c
141aa467d
15127beb9
hexcb0187

13304199 has 8 divisors (see below), whose sum is σ = 18672640. Its totient is φ = 8402616.

The previous prime is 13304197. The next prime is 13304231. The reversal of 13304199 is 99140331.

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

It is not a de Polignac number, because 13304199 - 21 = 13304197 is a prime.

It is a super-2 number, since 2×133041992 = 354003422063202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13304191) 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, 116647 + ... + 116760.

It is an arithmetic number, because the mean of its divisors is an integer number (2334080).

Almost surely, 213304199 is an apocalyptic number.

13304199 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13304199 is a deficient number, since it is larger than the sum of its proper divisors (5368441).

13304199 is a wasteful number, since it uses less digits than its factorization.

13304199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233429.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 13304199 is about 3647.4921521506. The cubic root of 13304199 is about 236.9533814909.

The spelling of 13304199 in words is "thirteen million, three hundred four thousand, one hundred ninety-nine".

Divisors: 1 3 19 57 233407 700221 4434733 13304199