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13079977 = 28346219
BaseRepresentation
bin110001111001…
…010110101001
3220121112100121
4301321112221
511322024402
61144203241
7216115021
oct61712651
926545317
1013079977
1174241a9
124469521
13292c741
141a46a81
151235837
hexc795a9

13079977 has 4 divisors (see below), whose sum is σ = 13126480. Its totient is φ = 13033476.

The previous prime is 13079947. The next prime is 13080007. The reversal of 13079977 is 77997031.

It is a happy number.

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.

It is an interprime number because it is at equal distance from previous prime (13079947) and next prime (13080007).

It is a cyclic number.

It is not a de Polignac number, because 13079977 - 223 = 4691369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13079917) 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, 22827 + ... + 23392.

It is an arithmetic number, because the mean of its divisors is an integer number (3281620).

Almost surely, 213079977 is an apocalyptic number.

It is an amenable number.

13079977 is a deficient number, since it is larger than the sum of its proper divisors (46503).

13079977 is an equidigital number, since it uses as much as digits as its factorization.

13079977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46502.

The product of its (nonzero) digits is 83349, while the sum is 43.

The square root of 13079977 is about 3616.6250842464. The cubic root of 13079977 is about 235.6146697176.

The spelling of 13079977 in words is "thirteen million, seventy-nine thousand, nine hundred seventy-seven".

Divisors: 1 283 46219 13079977