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13398872 = 233834373
BaseRepresentation
bin110011000111…
…001101011000
3221012201210112
4303013031120
511412230442
61155103452
7221613524
oct63071530
927181715
1013398872
117621853
1245a1b88
132a11936
141acad84
15129a082
hexcc7358

13398872 has 16 divisors (see below), whose sum is σ = 25194240. Its totient is φ = 6680416.

The previous prime is 13398871. The next prime is 13398883. The reversal of 13398872 is 27889331.

13398872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13398871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 878 + ... + 5250.

It is an arithmetic number, because the mean of its divisors is an integer number (1574640).

Almost surely, 213398872 is an apocalyptic number.

It is an amenable number.

13398872 is a deficient number, since it is larger than the sum of its proper divisors (11795368).

13398872 is a wasteful number, since it uses less digits than its factorization.

13398872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4762 (or 4758 counting only the distinct ones).

The product of its digits is 72576, while the sum is 41.

The square root of 13398872 is about 3660.4469672432. The cubic root of 13398872 is about 237.5141088571.

The spelling of 13398872 in words is "thirteen million, three hundred ninety-eight thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 383 766 1532 3064 4373 8746 17492 34984 1674859 3349718 6699436 13398872