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13232629 = 31426859
BaseRepresentation
bin110010011110…
…100111110101
3220220021202101
4302132213311
511341421004
61151342101
7220322044
oct62364765
926807671
1013232629
117518963
124521931
132984077
141a8655b
151265ba4
hexc9e9f5

13232629 has 4 divisors (see below), whose sum is σ = 13659520. Its totient is φ = 12805740.

The previous prime is 13232623. The next prime is 13232633. The reversal of 13232629 is 92623231.

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, and also an emirpimes, since its reverse is a distinct semiprime: 92623231 = 234027097.

It is a cyclic number.

It is not a de Polignac number, because 13232629 - 27 = 13232501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13232597 and 13232606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13232623) 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, 213399 + ... + 213460.

It is an arithmetic number, because the mean of its divisors is an integer number (3414880).

Almost surely, 213232629 is an apocalyptic number.

It is an amenable number.

13232629 is a deficient number, since it is larger than the sum of its proper divisors (426891).

13232629 is an equidigital number, since it uses as much as digits as its factorization.

13232629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426890.

The product of its digits is 3888, while the sum is 28.

The square root of 13232629 is about 3637.6680717185. The cubic root of 13232629 is about 236.5277200232.

It can be divided in two parts, 132326 and 29, that added together give a triangular number (132355 = T514).

The spelling of 13232629 in words is "thirteen million, two hundred thirty-two thousand, six hundred twenty-nine".

Divisors: 1 31 426859 13232629