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13263225 = 352891987
BaseRepresentation
bin110010100110…
…000101111001
3220221211201120
4302212011321
511343410400
61152135453
7220510203
oct62460571
926854646
1013263225
117539948
124537589
132994c81
141a93773
15126eca0
hexca6179

13263225 has 24 divisors (see below), whose sum is σ = 22186080. Its totient is φ = 6990720.

The previous prime is 13263199. The next prime is 13263227. The reversal of 13263225 is 52236231.

13263225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13263225 - 25 = 13263193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13263195 and 13263204.

It is not an unprimeable number, because it can be changed into a prime (13263227) 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, 5682 + ... + 7668.

It is an arithmetic number, because the mean of its divisors is an integer number (924420).

Almost surely, 213263225 is an apocalyptic number.

13263225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13263225 is a deficient number, since it is larger than the sum of its proper divisors (8922855).

13263225 is a wasteful number, since it uses less digits than its factorization.

13263225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2089 (or 2084 counting only the distinct ones).

The product of its digits is 2160, while the sum is 24.

The square root of 13263225 is about 3641.8710850331. The cubic root of 13263225 is about 236.7098766130.

Adding to 13263225 its reverse (52236231), we get a palindrome (65499456).

It can be divided in two parts, 1326 and 3225, that multiplied together give a triangular number (4276350 = T2924).

The spelling of 13263225 in words is "thirteen million, two hundred sixty-three thousand, two hundred twenty-five".

Divisors: 1 3 5 15 25 75 89 267 445 1335 1987 2225 5961 6675 9935 29805 49675 149025 176843 530529 884215 2652645 4421075 13263225