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13513027 = 111228457
BaseRepresentation
bin110011100011…
…000101000011
3221102112101111
4303203011003
511424404102
61201344151
7222600403
oct63430503
927375344
1013513027
11769a5a0
124638057
132a51898
141b1a803
1512bdcd7
hexce3143

13513027 has 4 divisors (see below), whose sum is σ = 14741496. Its totient is φ = 12284560.

The previous prime is 13513021. The next prime is 13513037. The reversal of 13513027 is 72031531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13513027 - 27 = 13512899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13512989 and 13513007.

It is not an unprimeable number, because it can be changed into a prime (13513021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 614218 + ... + 614239.

It is an arithmetic number, because the mean of its divisors is an integer number (3685374).

Almost surely, 213513027 is an apocalyptic number.

13513027 is a deficient number, since it is larger than the sum of its proper divisors (1228469).

13513027 is a wasteful number, since it uses less digits than its factorization.

13513027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228468.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 13513027 is about 3676.0069368814. The cubic root of 13513027 is about 238.1867223343.

Adding to 13513027 its reverse (72031531), we get a palindrome (85544558).

The spelling of 13513027 in words is "thirteen million, five hundred thirteen thousand, twenty-seven".

Divisors: 1 11 1228457 13513027