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13712038 = 26856019
BaseRepresentation
bin110100010011…
…101010100110
3221210122101021
4310103222212
512002241123
61205521354
7224356534
oct64235246
927718337
1013712038
11781606a
12471325a
132ac1342
141b6d154
15130cc5d
hexd13aa6

13712038 has 4 divisors (see below), whose sum is σ = 20568060. Its totient is φ = 6856018.

The previous prime is 13712033. The next prime is 13712051. The reversal of 13712038 is 83021731.

13712038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×137120382 = 376039972226888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13712033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3428008 + ... + 3428011.

It is an arithmetic number, because the mean of its divisors is an integer number (5142015).

Almost surely, 213712038 is an apocalyptic number.

13712038 is a deficient number, since it is larger than the sum of its proper divisors (6856022).

13712038 is an equidigital number, since it uses as much as digits as its factorization.

13712038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6856021.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 13712038 is about 3702.9769105410. The cubic root of 13712038 is about 239.3503146334.

Adding to 13712038 its reverse (83021731), we get a palindrome (96733769).

The spelling of 13712038 in words is "thirteen million, seven hundred twelve thousand, thirty-eight".

Divisors: 1 2 6856019 13712038