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13132413 = 3271491399
BaseRepresentation
bin110010000110…
…001001111101
3220201012021200
4302012021331
511330214123
61145250113
7216423630
oct62061175
926635250
1013132413
11745a638
124493939
13294a578
141a5bc17
151246143
hexc8627d

13132413 has 24 divisors (see below), whose sum is σ = 21840000. Its totient is φ = 7448544.

The previous prime is 13132403. The next prime is 13132417. The reversal of 13132413 is 31423131.

13132413 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13132413 - 29 = 13131901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13132417) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8688 + ... + 10086.

It is an arithmetic number, because the mean of its divisors is an integer number (910000).

Almost surely, 213132413 is an apocalyptic number.

It is an amenable number.

13132413 is a deficient number, since it is larger than the sum of its proper divisors (8707587).

13132413 is a wasteful number, since it uses less digits than its factorization.

13132413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561 (or 1558 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 13132413 is about 3623.8671333259. The cubic root of 13132413 is about 235.9290998837.

Adding to 13132413 its reverse (31423131), we get a palindrome (44555544).

The spelling of 13132413 in words is "thirteen million, one hundred thirty-two thousand, four hundred thirteen".

Divisors: 1 3 7 9 21 63 149 447 1043 1341 1399 3129 4197 9387 9793 12591 29379 88137 208451 625353 1459157 1876059 4377471 13132413