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13338025 = 52677963
BaseRepresentation
bin110010111000…
…010110101001
3221002122022221
4302320112221
511403304100
61153514041
7221241241
oct62702651
927078287
1013338025
117590068
124572921
1329c002c
141ab2b21
15128701a
hexcb85a9

13338025 has 12 divisors (see below), whose sum is σ = 16788112. Its totient is φ = 10509840.

The previous prime is 13338011. The next prime is 13338053. The reversal of 13338025 is 52083331.

13338025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2k-13338025 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2307 + ... + 5656.

Almost surely, 213338025 is an apocalyptic number.

It is an amenable number.

13338025 is a deficient number, since it is larger than the sum of its proper divisors (3450087).

13338025 is an equidigital number, since it uses as much as digits as its factorization.

13338025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8040 (or 8035 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 13338025 is about 3652.1260931134. The cubic root of 13338025 is about 237.1540299673.

The spelling of 13338025 in words is "thirteen million, three hundred thirty-eight thousand, twenty-five".

Divisors: 1 5 25 67 335 1675 7963 39815 199075 533521 2667605 13338025