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12712077 = 3272331283
BaseRepresentation
bin110000011111…
…100010001101
3212220211200200
4300133202031
511223241302
61132244113
7213023310
oct60374215
925824620
1012712077
1171a2854
124310639
132831151
14198c977
1511b181c
hexc1f88d

12712077 has 48 divisors (see below), whose sum is σ = 22683648. Its totient is φ = 6700320.

The previous prime is 12712069. The next prime is 12712079. The reversal of 12712077 is 77021721.

12712077 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12712077 - 23 = 12712069 is a prime.

12712077 is strictly pandigital in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 12712077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12712079) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44778 + ... + 45060.

It is an arithmetic number, because the mean of its divisors is an integer number (472576).

Almost surely, 212712077 is an apocalyptic number.

It is an amenable number.

12712077 is a deficient number, since it is larger than the sum of its proper divisors (9971571).

12712077 is a wasteful number, since it uses less digits than its factorization.

12712077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 1372, while the sum is 27.

The square root of 12712077 is about 3565.3999775621. The cubic root of 12712077 is about 233.3845871535.

Adding to 12712077 its reverse (77021721), we get a palindrome (89733798).

The spelling of 12712077 in words is "twelve million, seven hundred twelve thousand, seventy-seven".

Divisors: 1 3 7 9 21 23 31 63 69 93 161 207 217 279 283 483 651 713 849 1449 1953 1981 2139 2547 4991 5943 6417 6509 8773 14973 17829 19527 26319 44919 45563 58581 61411 78957 136689 184233 201779 410067 552699 605337 1412453 1816011 4237359 12712077