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13715669 = 111246879
BaseRepresentation
bin110100010100…
…100011010101
3221210211100202
4310110203111
512002400134
61205550245
7224403242
oct64244325
927724322
1013715669
117818870
124715385
132ac2ba6
141b705c9
15130dd7e
hexd148d5

13715669 has 4 divisors (see below), whose sum is σ = 14962560. Its totient is φ = 12468780.

The previous prime is 13715657. The next prime is 13715683. The reversal of 13715669 is 96651731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96651731 = 118786521.

It is a cyclic number.

It is not a de Polignac number, because 13715669 - 220 = 12667093 is a prime.

It is a super-2 number, since 2×137156692 = 376239152235122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13715629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 623429 + ... + 623450.

It is an arithmetic number, because the mean of its divisors is an integer number (3740640).

Almost surely, 213715669 is an apocalyptic number.

It is an amenable number.

13715669 is a deficient number, since it is larger than the sum of its proper divisors (1246891).

13715669 is a wasteful number, since it uses less digits than its factorization.

13715669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246890.

The product of its digits is 34020, while the sum is 38.

The square root of 13715669 is about 3703.4671592982. The cubic root of 13715669 is about 239.3714397278.

The spelling of 13715669 in words is "thirteen million, seven hundred fifteen thousand, six hundred sixty-nine".

Divisors: 1 11 1246879 13715669