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13512056 = 2311091523
BaseRepresentation
bin110011100010…
…110101111000
3221102111001112
4303202311320
511424341211
61201335452
7222564515
oct63426570
927374045
1013512056
117699898
124637588
132a512cc
141b1a30c
1512bd88b
hexce2d78

13512056 has 16 divisors (see below), whose sum is σ = 25374600. Its totient is φ = 6745504.

The previous prime is 13512053. The next prime is 13512061. The reversal of 13512056 is 65021531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13512053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8111 + ... + 9633.

Almost surely, 213512056 is an apocalyptic number.

It is an amenable number.

13512056 is a deficient number, since it is larger than the sum of its proper divisors (11862544).

13512056 is a wasteful number, since it uses less digits than its factorization.

13512056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2638 (or 2634 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 13512056 is about 3675.8748618526. The cubic root of 13512056 is about 238.1810171027.

Adding to 13512056 its reverse (65021531), we get a palindrome (78533587).

The spelling of 13512056 in words is "thirteen million, five hundred twelve thousand, fifty-six".

Divisors: 1 2 4 8 1109 1523 2218 3046 4436 6092 8872 12184 1689007 3378014 6756028 13512056