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13060037 = 28146477
BaseRepresentation
bin110001110100…
…011111000101
3220120112000002
4301310133011
511320410122
61143531045
7216002624
oct61643705
926515002
1013060037
117410221
124459a85
132923643
141a3d6bb
15122e992
hexc747c5

13060037 has 4 divisors (see below), whose sum is σ = 13106796. Its totient is φ = 13013280.

The previous prime is 13060013. The next prime is 13060057. The reversal of 13060037 is 73006031.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5909761 + 7150276 = 2431^2 + 2674^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13060037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13060057) 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, 22958 + ... + 23519.

It is an arithmetic number, because the mean of its divisors is an integer number (3276699).

Almost surely, 213060037 is an apocalyptic number.

It is an amenable number.

13060037 is a deficient number, since it is larger than the sum of its proper divisors (46759).

13060037 is an equidigital number, since it uses as much as digits as its factorization.

13060037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46758.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 13060037 is about 3613.8673190918. The cubic root of 13060037 is about 235.4948798553.

Adding to 13060037 its reverse (73006031), we get a palindrome (86066068).

The spelling of 13060037 in words is "thirteen million, sixty thousand, thirty-seven".

Divisors: 1 281 46477 13060037