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12913377 = 311233833
BaseRepresentation
bin110001010000…
…101011100001
3220022001211020
4301100223201
511301212002
61140440053
7214522221
oct61205341
926261736
1012913377
117320014
1243a9029
1328a1969
141a02081
1512012bc
hexc50ae1

12913377 has 8 divisors (see below), whose sum is σ = 17237664. Its totient is φ = 8599008.

The previous prime is 12913363. The next prime is 12913399. The reversal of 12913377 is 77331921.

It is a happy number.

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

It is not a de Polignac number, because 12913377 - 27 = 12913249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12913337) 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, 1453 + ... + 5285.

It is an arithmetic number, because the mean of its divisors is an integer number (2154708).

Almost surely, 212913377 is an apocalyptic number.

It is an amenable number.

12913377 is a deficient number, since it is larger than the sum of its proper divisors (4324287).

12913377 is a wasteful number, since it uses less digits than its factorization.

12913377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4959.

The product of its digits is 7938, while the sum is 33.

The square root of 12913377 is about 3593.5187490815. The cubic root of 12913377 is about 234.6100489253.

The spelling of 12913377 in words is "twelve million, nine hundred thirteen thousand, three hundred seventy-seven".

Divisors: 1 3 1123 3369 3833 11499 4304459 12913377