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13263001 = 103128767
BaseRepresentation
bin110010100110…
…000010011001
3220221211102021
4302212002121
511343404001
61152134441
7220506433
oct62460231
926854367
1013263001
117539764
124537421
132994b3b
141a93653
15126eba1
hexca6099

13263001 has 4 divisors (see below), whose sum is σ = 13391872. Its totient is φ = 13134132.

The previous prime is 13262957. The next prime is 13263067. The reversal of 13263001 is 10036231.

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 13263001 - 29 = 13262489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13263401) 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, 64281 + ... + 64486.

It is an arithmetic number, because the mean of its divisors is an integer number (3347968).

Almost surely, 213263001 is an apocalyptic number.

It is an amenable number.

13263001 is a deficient number, since it is larger than the sum of its proper divisors (128871).

13263001 is a wasteful number, since it uses less digits than its factorization.

13263001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128870.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 13263001 is about 3641.8403314808. The cubic root of 13263001 is about 236.7085440233.

Adding to 13263001 its reverse (10036231), we get a palindrome (23299232).

The spelling of 13263001 in words is "thirteen million, two hundred sixty-three thousand, one".

Divisors: 1 103 128767 13263001