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BaseRepresentation
bin110010100110…
…001000101001
3220221211222002
4302212020221
511343412101
61152140345
7220510544
oct62461051
926854862
1013263401
117539a98
1245376b5
132995088
141a9385b
15126ed6b
hexca6229

13263401 has 2 divisors, whose sum is σ = 13263402. Its totient is φ = 13263400.

The previous prime is 13263379. The next prime is 13263407. The reversal of 13263401 is 10436231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13213225 + 50176 = 3635^2 + 224^2 .

It is a cyclic number.

It is not a de Polignac number, because 13263401 - 26 = 13263337 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13263407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6631700 + 6631701.

It is an arithmetic number, because the mean of its divisors is an integer number (6631701).

Almost surely, 213263401 is an apocalyptic number.

It is an amenable number.

13263401 is a deficient number, since it is larger than the sum of its proper divisors (1).

13263401 is an equidigital number, since it uses as much as digits as its factorization.

13263401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 13263401 is about 3641.8952483563. The cubic root of 13263401 is about 236.7109236372.

Adding to 13263401 its reverse (10436231), we get a palindrome (23699632).

The spelling of 13263401 in words is "thirteen million, two hundred sixty-three thousand, four hundred one".