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13245401 = 1323311429
BaseRepresentation
bin110010100001…
…101111011001
3220220221021102
4302201233121
511342323101
61151521145
7220404221
oct62415731
926827242
1013245401
117527514
1245291b5
132989b20
141a8b081
15126986b
hexca1bd9

13245401 has 16 divisors (see below), whose sum is σ = 15375360. Its totient is φ = 11309760.

The previous prime is 13245391. The next prime is 13245403. The reversal of 13245401 is 10454231.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13245401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13245403) 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 15 ways as a sum of consecutive naturals, for example, 8555 + ... + 9983.

It is an arithmetic number, because the mean of its divisors is an integer number (960960).

Almost surely, 213245401 is an apocalyptic number.

It is an amenable number.

13245401 is a deficient number, since it is larger than the sum of its proper divisors (2129959).

13245401 is a wasteful number, since it uses less digits than its factorization.

13245401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 13245401 is about 3639.4231685804. The cubic root of 13245401 is about 236.6037936096.

Adding to 13245401 its reverse (10454231), we get a palindrome (23699632).

The spelling of 13245401 in words is "thirteen million, two hundred forty-five thousand, four hundred one".

Divisors: 1 13 23 31 299 403 713 1429 9269 18577 32867 44299 427271 575887 1018877 13245401