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13069418 = 26534709
BaseRepresentation
bin110001110110…
…110001101010
3220120222212112
4301312301222
511321210133
61144042322
7216042155
oct61666152
926528775
1013069418
11741727a
1244633a2
1329279ab
141a42c9c
151232648
hexc76c6a

13069418 has 4 divisors (see below), whose sum is σ = 19604130. Its totient is φ = 6534708.

The previous prime is 13069417. The next prime is 13069421. The reversal of 13069418 is 81496031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81496031 = 157519083.

It can be written as a sum of positive squares in only one way, i.e., 7198489 + 5870929 = 2683^2 + 2423^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13069411) 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 as a sum of consecutive naturals, namely, 3267353 + ... + 3267356.

Almost surely, 213069418 is an apocalyptic number.

13069418 is a deficient number, since it is larger than the sum of its proper divisors (6534712).

13069418 is an equidigital number, since it uses as much as digits as its factorization.

13069418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6534711.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 13069418 is about 3615.1650031499. The cubic root of 13069418 is about 235.5512515365.

The spelling of 13069418 in words is "thirteen million, sixty-nine thousand, four hundred eighteen".

Divisors: 1 2 6534709 13069418