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14445697 = 72063671
BaseRepresentation
bin110111000110…
…110010000001
31000011220202211
4313012302001
512144230242
61233342121
7233533510
oct67066201
930156684
1014445697
1181772a2
124a07941
132cba266
141cc0677
151405317
hexdc6c81

14445697 has 4 divisors (see below), whose sum is σ = 16509376. Its totient is φ = 12382020.

The previous prime is 14445689. The next prime is 14445701. The reversal of 14445697 is 79654441.

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, and also an emirpimes, since its reverse is a distinct semiprime: 79654441 = 194192339.

It is not a de Polignac number, because 14445697 - 23 = 14445689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14445637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1031829 + ... + 1031842.

It is an arithmetic number, because the mean of its divisors is an integer number (4127344).

Almost surely, 214445697 is an apocalyptic number.

It is an amenable number.

14445697 is a deficient number, since it is larger than the sum of its proper divisors (2063679).

14445697 is an equidigital number, since it uses as much as digits as its factorization.

14445697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2063678.

The product of its digits is 120960, while the sum is 40.

The square root of 14445697 is about 3800.7495313425. The cubic root of 14445697 is about 243.5451584325.

The spelling of 14445697 in words is "fourteen million, four hundred forty-five thousand, six hundred ninety-seven".

Divisors: 1 7 2063671 14445697