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13697369 = 71999833
BaseRepresentation
bin110100010000…
…000101011001
3221202220020222
4310100011121
512001303434
61205325425
7224266010
oct64200531
927686228
1013697369
117806044
124706875
132ab776a
141b67a77
15130872e
hexd10159

13697369 has 8 divisors (see below), whose sum is σ = 15734400. Its totient is φ = 11680416.

The previous prime is 13697357. The next prime is 13697377. The reversal of 13697369 is 96379631.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13697369 - 24 = 13697353 is a prime.

It is a super-2 number, since 2×136973692 = 375235835044322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13697339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3524 + ... + 6309.

It is an arithmetic number, because the mean of its divisors is an integer number (1966800).

Almost surely, 213697369 is an apocalyptic number.

It is an amenable number.

13697369 is a deficient number, since it is larger than the sum of its proper divisors (2037031).

13697369 is an equidigital number, since it uses as much as digits as its factorization.

13697369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10039.

The product of its digits is 183708, while the sum is 44.

The square root of 13697369 is about 3700.9956768416. The cubic root of 13697369 is about 239.2649326615.

The spelling of 13697369 in words is "thirteen million, six hundred ninety-seven thousand, three hundred sixty-nine".

Divisors: 1 7 199 1393 9833 68831 1956767 13697369