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13707427 = 37370471
BaseRepresentation
bin110100010010…
…100010100011
3221210102001111
4310102202203
512002114202
61205444151
7224340226
oct64224243
927712044
1013707427
117812658
124710657
132abc206
141b6b5bd
15130b6d7
hexd128a3

13707427 has 4 divisors (see below), whose sum is σ = 14077936. Its totient is φ = 13336920.

The previous prime is 13707413. The next prime is 13707437. The reversal of 13707427 is 72470731.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13707427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13707437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185199 + ... + 185272.

It is an arithmetic number, because the mean of its divisors is an integer number (3519484).

Almost surely, 213707427 is an apocalyptic number.

13707427 is a deficient number, since it is larger than the sum of its proper divisors (370509).

13707427 is an equidigital number, since it uses as much as digits as its factorization.

13707427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370508.

The product of its (nonzero) digits is 8232, while the sum is 31.

The square root of 13707427 is about 3702.3542510138. The cubic root of 13707427 is about 239.3234825405.

The spelling of 13707427 in words is "thirteen million, seven hundred seven thousand, four hundred twenty-seven".

Divisors: 1 37 370471 13707427