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13330807 = 72997677
BaseRepresentation
bin110010110110…
…100101110111
3221002021102121
4302312211313
511403041212
61153420411
7221211220
oct62664567
927067377
1013330807
1175856a6
12456a707
1329b9969
141ab0247
151284d07
hexcb6977

13330807 has 16 divisors (see below), whose sum is σ = 15946560. Its totient is φ = 10902528.

The previous prime is 13330787. The next prime is 13330813. The reversal of 13330807 is 70803331.

It is not a de Polignac number, because 13330807 - 27 = 13330679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13330897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19353 + ... + 20029.

It is an arithmetic number, because the mean of its divisors is an integer number (996660).

Almost surely, 213330807 is an apocalyptic number.

13330807 is a deficient number, since it is larger than the sum of its proper divisors (2615753).

13330807 is an equidigital number, since it uses as much as digits as its factorization.

13330807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 13330807 is about 3651.1377678746. The cubic root of 13330807 is about 237.1112428565. Note that the first 3 decimals are identical.

The spelling of 13330807 in words is "thirteen million, three hundred thirty thousand, eight hundred seven".

Divisors: 1 7 29 97 203 677 679 2813 4739 19633 19691 65669 137431 459683 1904401 13330807