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13124801 = 192712549
BaseRepresentation
bin110010000100…
…010011000001
3220200210211202
4302010103001
511324443201
61145150545
7216362504
oct62042301
926623752
1013124801
117454948
12448b455
132946c71
141a5913b
151243c6b
hexc844c1

13124801 has 8 divisors (see below), whose sum is σ = 13872000. Its totient is φ = 12383280.

The previous prime is 13124773. The next prime is 13124803. The reversal of 13124801 is 10842131.

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 13124801 - 218 = 12862657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13124803) 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, 3875 + ... + 6423.

It is an arithmetic number, because the mean of its divisors is an integer number (1734000).

Almost surely, 213124801 is an apocalyptic number.

It is an amenable number.

13124801 is a deficient number, since it is larger than the sum of its proper divisors (747199).

13124801 is a wasteful number, since it uses less digits than its factorization.

13124801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2839.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 13124801 is about 3622.8167218340. The cubic root of 13124801 is about 235.8835068560.

Adding to 13124801 its reverse (10842131), we get a palindrome (23966932).

The spelling of 13124801 in words is "thirteen million, one hundred twenty-four thousand, eight hundred one".

Divisors: 1 19 271 2549 5149 48431 690779 13124801