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13899606 = 237330943
BaseRepresentation
bin110101000001…
…011101010110
3222011011200020
4311001131112
512024241411
61213530010
7226100430
oct65013526
928134606
1013899606
117933a86
1247a3906
132b58826
141bbb650
151348606
hexd41756

13899606 has 16 divisors (see below), whose sum is σ = 31770624. Its totient is φ = 3971304.

The previous prime is 13899601. The next prime is 13899617. The reversal of 13899606 is 60699831.

13899606 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 330943 = 13899606 / (1 + 3 + 8 + 9 + 9 + 6 + 0 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13899601) 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, 165430 + ... + 165513.

It is an arithmetic number, because the mean of its divisors is an integer number (1985664).

Almost surely, 213899606 is an apocalyptic number.

13899606 is an abundant number, since it is smaller than the sum of its proper divisors (17871018).

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

13899606 is a wasteful number, since it uses less digits than its factorization.

13899606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330955.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 13899606 is about 3728.2175365716. The cubic root of 13899606 is about 240.4367394844.

The spelling of 13899606 in words is "thirteen million, eight hundred ninety-nine thousand, six hundred six".

Divisors: 1 2 3 6 7 14 21 42 330943 661886 992829 1985658 2316601 4633202 6949803 13899606