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13077406 = 26538703
BaseRepresentation
bin110001111000…
…101110011110
3220121101211101
4301320232132
511321434111
61144143314
7216104356
oct61705636
926541741
1013077406
117422281
124467b3a
13292b514
141a45b66
151234bc1
hexc78b9e

13077406 has 4 divisors (see below), whose sum is σ = 19616112. Its totient is φ = 6538702.

The previous prime is 13077373. The next prime is 13077413. The reversal of 13077406 is 60477031.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3269350 + ... + 3269353.

It is an arithmetic number, because the mean of its divisors is an integer number (4904028).

Almost surely, 213077406 is an apocalyptic number.

13077406 is a deficient number, since it is larger than the sum of its proper divisors (6538706).

13077406 is an equidigital number, since it uses as much as digits as its factorization.

13077406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6538705.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 13077406 is about 3616.2696249035. The cubic root of 13077406 is about 235.5992312346.

The spelling of 13077406 in words is "thirteen million, seventy-seven thousand, four hundred six".

Divisors: 1 2 6538703 13077406