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13069197 = 3231139337
BaseRepresentation
bin110001110110…
…101110001101
3220120222120100
4301312232031
511321203242
61144041313
7216041421
oct61665615
926528510
1013069197
117417099
124463239
13292786b
141a42b81
15123254c
hexc76b8d

13069197 has 24 divisors (see below), whose sum is σ = 19685120. Its totient is φ = 8346240.

The previous prime is 13069193. The next prime is 13069211. The reversal of 13069197 is 79196031.

It is not a de Polignac number, because 13069197 - 22 = 13069193 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13069193) 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, 38613 + ... + 38949.

Almost surely, 213069197 is an apocalyptic number.

It is an amenable number.

13069197 is a deficient number, since it is larger than the sum of its proper divisors (6615923).

13069197 is a wasteful number, since it uses less digits than its factorization.

13069197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513 (or 510 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 36.

The square root of 13069197 is about 3615.1344373342. The cubic root of 13069197 is about 235.5499238283.

The spelling of 13069197 in words is "thirteen million, sixty-nine thousand, one hundred ninety-seven".

Divisors: 1 3 9 31 93 139 279 337 417 1011 1251 3033 4309 10447 12927 31341 38781 46843 94023 140529 421587 1452133 4356399 13069197