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13331295 = 325296251
BaseRepresentation
bin110010110110…
…101101011111
3221002022002200
4302312231133
511403100140
61153422543
7221212515
oct62665537
927068080
1013331295
117585aaa
12456aa53
1329b9c53
141ab04b5
151285030
hexcb6b5f

13331295 has 12 divisors (see below), whose sum is σ = 23107656. Its totient is φ = 7110000.

The previous prime is 13331291. The next prime is 13331299. The reversal of 13331295 is 59213331.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13331291) and next prime (13331299).

It is not a de Polignac number, because 13331295 - 22 = 13331291 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13331291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148081 + ... + 148170.

It is an arithmetic number, because the mean of its divisors is an integer number (1925638).

Almost surely, 213331295 is an apocalyptic number.

13331295 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13331295 is a deficient number, since it is larger than the sum of its proper divisors (9776361).

13331295 is a wasteful number, since it uses less digits than its factorization.

13331295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296262 (or 296259 counting only the distinct ones).

The product of its digits is 2430, while the sum is 27.

The square root of 13331295 is about 3651.2045957465. The cubic root of 13331295 is about 237.1141361266.

It can be divided in two parts, 1333 and 1295, that added together give a triangular number (2628 = T72).

The spelling of 13331295 in words is "thirteen million, three hundred thirty-one thousand, two hundred ninety-five".

Divisors: 1 3 5 9 15 45 296251 888753 1481255 2666259 4443765 13331295