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13124708 = 225361909
BaseRepresentation
bin110010000100…
…010001100100
3220200210201022
4302010101210
511324442313
61145150312
7216362312
oct62042144
926623638
1013124708
117454873
12448b398
132946bcc
141a590b2
151243c08
hexc84464

13124708 has 12 divisors (see below), whose sum is σ = 23401980. Its totient is φ = 6438432.

The previous prime is 13124701. The next prime is 13124717. The reversal of 13124708 is 80742131.

It can be written as a sum of positive squares in 2 ways, for example, as 11142244 + 1982464 = 3338^2 + 1408^2 .

It is not an unprimeable number, because it can be changed into a prime (13124701) 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, 30743 + ... + 31166.

It is an arithmetic number, because the mean of its divisors is an integer number (1950165).

Almost surely, 213124708 is an apocalyptic number.

It is an amenable number.

13124708 is a deficient number, since it is larger than the sum of its proper divisors (10277272).

13124708 is a wasteful number, since it uses less digits than its factorization.

13124708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61966 (or 61964 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 13124708 is about 3622.8038864945. The cubic root of 13124708 is about 235.8829497119.

Adding to 13124708 its reverse (80742131), we get a palindrome (93866839).

The spelling of 13124708 in words is "thirteen million, one hundred twenty-four thousand, seven hundred eight".

Divisors: 1 2 4 53 106 212 61909 123818 247636 3281177 6562354 13124708