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13708977 = 34569659
BaseRepresentation
bin110100010010…
…111010110001
3221210111011220
4310102322301
512002141402
61205455253
7224344602
oct64227261
927714156
1013708977
117813837
124711529
132abcb29
141b6bda9
15130bdbc
hexd12eb1

13708977 has 4 divisors (see below), whose sum is σ = 18278640. Its totient is φ = 9139316.

The previous prime is 13708973. The next prime is 13708979. The reversal of 13708977 is 77980731.

It is a happy number.

13708977 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 13708977 - 22 = 13708973 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13708973) 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, 2284827 + ... + 2284832.

It is an arithmetic number, because the mean of its divisors is an integer number (4569660).

Almost surely, 213708977 is an apocalyptic number.

It is an amenable number.

13708977 is a deficient number, since it is larger than the sum of its proper divisors (4569663).

13708977 is an equidigital number, since it uses as much as digits as its factorization.

13708977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4569662.

The product of its (nonzero) digits is 74088, while the sum is 42.

The square root of 13708977 is about 3702.5635713651. The cubic root of 13708977 is about 239.3325028917.

The spelling of 13708977 in words is "thirteen million, seven hundred eight thousand, nine hundred seventy-seven".

Divisors: 1 3 4569659 13708977