Search a number
-
+
13042977 = 34347659
BaseRepresentation
bin110001110000…
…010100100001
3220112122121020
4301300110201
511314333402
61143320053
7215602113
oct61602441
926478536
1013042977
1173a9422
124450029
13291894c
141a373b3
1512298bc
hexc70521

13042977 has 4 divisors (see below), whose sum is σ = 17390640. Its totient is φ = 8695316.

The previous prime is 13042963. The next prime is 13042999. The reversal of 13042977 is 77924031.

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 a cyclic number.

It is not a de Polignac number, because 13042977 - 214 = 13026593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13042937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2173827 + ... + 2173832.

It is an arithmetic number, because the mean of its divisors is an integer number (4347660).

Almost surely, 213042977 is an apocalyptic number.

It is an amenable number.

13042977 is a deficient number, since it is larger than the sum of its proper divisors (4347663).

13042977 is an equidigital number, since it uses as much as digits as its factorization.

13042977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4347662.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 13042977 is about 3611.5061954813. The cubic root of 13042977 is about 235.3922948151.

The spelling of 13042977 in words is "thirteen million, forty-two thousand, nine hundred seventy-seven".

Divisors: 1 3 4347659 13042977