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13063975 = 521313989
BaseRepresentation
bin110001110101…
…011100100111
3220120201101221
4301311130213
511321021400
61144001211
7216020251
oct61653447
926521357
1013063975
117413181
124460207
132925382
141a40cd1
151230c1a
hexc75727

13063975 has 12 divisors (see below), whose sum is σ = 16327080. Its totient is φ = 10368800.

The previous prime is 13063969. The next prime is 13063987. The reversal of 13063975 is 57936031.

It is not a de Polignac number, because 13063975 - 27 = 13063847 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13063975.

It is a congruent 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, 1281 + ... + 5269.

It is an arithmetic number, because the mean of its divisors is an integer number (1360590).

Almost surely, 213063975 is an apocalyptic number.

13063975 is a deficient number, since it is larger than the sum of its proper divisors (3263105).

13063975 is a wasteful number, since it uses less digits than its factorization.

13063975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4130 (or 4125 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 34.

The square root of 13063975 is about 3614.4121237070. The cubic root of 13063975 is about 235.5185471093.

The spelling of 13063975 in words is "thirteen million, sixty-three thousand, nine hundred seventy-five".

Divisors: 1 5 25 131 655 3275 3989 19945 99725 522559 2612795 13063975