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12577023 = 321397447
BaseRepresentation
bin101111111110…
…100011111111
3212122222102200
4233332203333
511204431043
61125322543
7211621464
oct57764377
925588380
1012577023
117110338
124266453
1327b4834
14195566b
1511867d3
hexbfe8ff

12577023 has 6 divisors (see below), whose sum is σ = 18166824. Its totient is φ = 8384676.

The previous prime is 12576989. The next prime is 12577043. The reversal of 12577023 is 32077521.

It is not a de Polignac number, because 12577023 - 26 = 12576959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12577043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 698715 + ... + 698732.

It is an arithmetic number, because the mean of its divisors is an integer number (3027804).

Almost surely, 212577023 is an apocalyptic number.

12577023 is a deficient number, since it is larger than the sum of its proper divisors (5589801).

12577023 is a wasteful number, since it uses less digits than its factorization.

12577023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397453 (or 1397450 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 12577023 is about 3546.4098747889. The cubic root of 12577023 is about 232.5551447414. Note that the first 3 decimals are identical.

The spelling of 12577023 in words is "twelve million, five hundred seventy-seven thousand, twenty-three".

Divisors: 1 3 9 1397447 4192341 12577023