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13696553 = 131053581
BaseRepresentation
bin110100001111…
…111000101001
3221202212010202
4310033320221
512001242203
61205321545
7224263433
oct64177051
927685122
1013696553
117805472
1247062b5
132ab7290
141b67653
151308388
hexd0fe29

13696553 has 4 divisors (see below), whose sum is σ = 14750148. Its totient is φ = 12642960.

The previous prime is 13696541. The next prime is 13696559. The reversal of 13696553 is 35569631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35569631 = 291226539.

It can be written as a sum of positive squares in 2 ways, for example, as 4012009 + 9684544 = 2003^2 + 3112^2 .

It is a cyclic number.

It is not a de Polignac number, because 13696553 - 24 = 13696537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13696559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 526778 + ... + 526803.

It is an arithmetic number, because the mean of its divisors is an integer number (3687537).

Almost surely, 213696553 is an apocalyptic number.

13696553 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13696553 is a deficient number, since it is larger than the sum of its proper divisors (1053595).

13696553 is a wasteful number, since it uses less digits than its factorization.

13696553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053594.

The product of its digits is 72900, while the sum is 38.

The square root of 13696553 is about 3700.8854345953. The cubic root of 13696553 is about 239.2601812852.

The spelling of 13696553 in words is "thirteen million, six hundred ninety-six thousand, five hundred fifty-three".

Divisors: 1 13 1053581 13696553