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13387077 = 3211219647
BaseRepresentation
bin110011000100…
…010101000101
3221012010121200
4303010111011
511411341302
61154533113
7221534244
oct63042505
927163550
1013387077
117613a00
124597199
132a09462
141ac695b
15129681c
hexcc4545

13387077 has 36 divisors (see below), whose sum is σ = 22407840. Its totient is φ = 7674480.

The previous prime is 13387063. The next prime is 13387079. The reversal of 13387077 is 77078331.

It is a happy number.

13387077 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13387077 - 27 = 13386949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13387079) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 20368 + ... + 21014.

It is an arithmetic number, because the mean of its divisors is an integer number (622440).

Almost surely, 213387077 is an apocalyptic number.

It is an amenable number.

13387077 is a deficient number, since it is larger than the sum of its proper divisors (9020763).

13387077 is a wasteful number, since it uses less digits than its factorization.

13387077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694 (or 680 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The square root of 13387077 is about 3658.8354704742. The cubic root of 13387077 is about 237.4443939995. Note that the first 3 decimals are identical.

The spelling of 13387077 in words is "thirteen million, three hundred eighty-seven thousand, seventy-seven".

Divisors: 1 3 9 11 19 33 57 99 121 171 209 363 627 647 1089 1881 1941 2299 5823 6897 7117 12293 20691 21351 36879 64053 78287 110637 135223 234861 405669 704583 1217007 1487453 4462359 13387077