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12607439 = 131396977
BaseRepresentation
bin110000000101…
…111111001111
3212201112011012
4300011333033
511211414224
61130115435
7212106245
oct60057717
925645135
1012607439
117131179
12427bb7b
1327c5630
141962795
15119080e
hexc05fcf

12607439 has 8 divisors (see below), whose sum is σ = 13676880. Its totient is φ = 11552256.

The previous prime is 12607429. The next prime is 12607447. The reversal of 12607439 is 93470621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12607439 - 220 = 11558863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12607429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1682 + ... + 5295.

It is an arithmetic number, because the mean of its divisors is an integer number (1709610).

Almost surely, 212607439 is an apocalyptic number.

12607439 is a deficient number, since it is larger than the sum of its proper divisors (1069441).

12607439 is a wasteful number, since it uses less digits than its factorization.

12607439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7129.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 12607439 is about 3550.6955656603. The cubic root of 12607439 is about 232.7424625955.

The spelling of 12607439 in words is "twelve million, six hundred seven thousand, four hundred thirty-nine".

Divisors: 1 13 139 1807 6977 90701 969803 12607439