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12745073 = 111158643
BaseRepresentation
bin110000100111…
…100101110001
3212222111221202
4300213211301
511230320243
61133100545
7213221435
oct60474561
925874852
1012745073
117215620
124327755
132843183
14199a9c5
1511bb4b8
hexc27971

12745073 has 4 divisors (see below), whose sum is σ = 13903728. Its totient is φ = 11586420.

The previous prime is 12745063. The next prime is 12745079. The reversal of 12745073 is 37054721.

12745073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12745073 - 26 = 12745009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12745079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579311 + ... + 579332.

It is an arithmetic number, because the mean of its divisors is an integer number (3475932).

Almost surely, 212745073 is an apocalyptic number.

It is an amenable number.

12745073 is a deficient number, since it is larger than the sum of its proper divisors (1158655).

12745073 is a wasteful number, since it uses less digits than its factorization.

12745073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158654.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 12745073 is about 3570.0242296097. The cubic root of 12745073 is about 233.5863403007.

Adding to 12745073 its reverse (37054721), we get a palindrome (49799794).

The spelling of 12745073 in words is "twelve million, seven hundred forty-five thousand, seventy-three".

Divisors: 1 11 1158643 12745073