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12401353 = 97127849
BaseRepresentation
bin101111010011…
…101011001001
3212100001110101
4233103223021
511133320403
61121445401
7210260356
oct57235311
925301411
1012401353
117000358
1241a0861
1327528a3
14190b62d
15114e71d
hexbd3ac9

12401353 has 4 divisors (see below), whose sum is σ = 12529300. Its totient is φ = 12273408.

The previous prime is 12401351. The next prime is 12401369. The reversal of 12401353 is 35310421.

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 9815689 + 2585664 = 3133^2 + 1608^2 .

It is a cyclic number.

It is not a de Polignac number, because 12401353 - 21 = 12401351 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12401353.

It is not an unprimeable number, because it can be changed into a prime (12401351) 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, 63828 + ... + 64021.

It is an arithmetic number, because the mean of its divisors is an integer number (3132325).

Almost surely, 212401353 is an apocalyptic number.

It is an amenable number.

12401353 is a deficient number, since it is larger than the sum of its proper divisors (127947).

12401353 is an equidigital number, since it uses as much as digits as its factorization.

12401353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127946.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 12401353 is about 3521.5554801820. Note that the first 3 decimals coincide. The cubic root of 12401353 is about 231.4673235308.

Adding to 12401353 its reverse (35310421), we get a palindrome (47711774).

The spelling of 12401353 in words is "twelve million, four hundred one thousand, three hundred fifty-three".

Divisors: 1 97 127849 12401353