Search a number
-
+
13607369 = 75118119
BaseRepresentation
bin110011111010…
…000111001001
3221121022210122
4303322013021
511440413434
61203353025
7223442426
oct63720711
927538718
1013607369
117754466
124682775
132a857c9
141b42d4d
1512dbc2e
hexcfa1c9

13607369 has 4 divisors (see below), whose sum is σ = 13626240. Its totient is φ = 13588500.

The previous prime is 13607359. The next prime is 13607371. The reversal of 13607369 is 96370631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13607369 - 24 = 13607353 is a prime.

It is a super-2 number, since 2×136073692 = 370320982204322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13607339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8309 + ... + 9810.

It is an arithmetic number, because the mean of its divisors is an integer number (3406560).

Almost surely, 213607369 is an apocalyptic number.

It is an amenable number.

13607369 is a deficient number, since it is larger than the sum of its proper divisors (18871).

13607369 is an equidigital number, since it uses as much as digits as its factorization.

13607369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18870.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 13607369 is about 3688.8167479559. The cubic root of 13607369 is about 238.7397422564.

The spelling of 13607369 in words is "thirteen million, six hundred seven thousand, three hundred sixty-nine".

Divisors: 1 751 18119 13607369