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12013253 = 73135483
BaseRepresentation
bin101101110100…
…111011000101
3211121100002022
4231310323011
511033411003
61105252525
7204053030
oct55647305
924540068
1012013253
11686580a
124034145
132648045
14184a017
1510c4738
hexb74ec5

12013253 has 8 divisors (see below), whose sum is σ = 13775808. Its totient is φ = 10262304.

The previous prime is 12013229. The next prime is 12013259. The reversal of 12013253 is 35231021.

12013253 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12013253 - 26 = 12013189 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 (12013259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 551 + ... + 4932.

It is an arithmetic number, because the mean of its divisors is an integer number (1721976).

Almost surely, 212013253 is an apocalyptic number.

It is an amenable number.

12013253 is a deficient number, since it is larger than the sum of its proper divisors (1762555).

12013253 is an equidigital number, since it uses as much as digits as its factorization.

12013253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5803.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 12013253 is about 3466.0139930473. The cubic root of 12013253 is about 229.0271002678.

Adding to 12013253 its reverse (35231021), we get a palindrome (47244274).

The spelling of 12013253 in words is "twelve million, thirteen thousand, two hundred fifty-three".

Divisors: 1 7 313 2191 5483 38381 1716179 12013253