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12992577 = 313794217
BaseRepresentation
bin110001100100…
…000001000001
3220110002110120
4301210001001
511311230302
61142250453
7215302143
oct61440101
926402416
1012992577
117374574
124426a29
1328cba20
141a22c93
1512199bc
hexc64041

12992577 has 16 divisors (see below), whose sum is σ = 18896640. Its totient is φ = 7892352.

The previous prime is 12992549. The next prime is 12992591. The reversal of 12992577 is 77529921.

It is not a de Polignac number, because 12992577 - 215 = 12959809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12992527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 973 + ... + 5189.

It is an arithmetic number, because the mean of its divisors is an integer number (1181040).

Almost surely, 212992577 is an apocalyptic number.

It is an amenable number.

12992577 is a deficient number, since it is larger than the sum of its proper divisors (5904063).

12992577 is a wasteful number, since it uses less digits than its factorization.

12992577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4312.

The product of its digits is 79380, while the sum is 42.

The square root of 12992577 is about 3604.5217435882. The cubic root of 12992577 is about 235.0887065144.

The spelling of 12992577 in words is "twelve million, nine hundred ninety-two thousand, five hundred seventy-seven".

Divisors: 1 3 13 39 79 237 1027 3081 4217 12651 54821 164463 333143 999429 4330859 12992577