[go: up one dir, main page]

Search a number
-
+
12632465 = 52526493
BaseRepresentation
bin110000001100…
…000110010001
3212202210111002
4300030012101
511213214330
61130431345
7212242226
oct60140621
925683432
1012632465
117148a5a
124292555
132803b41
14196b94d
151197e45
hexc0c191

12632465 has 4 divisors (see below), whose sum is σ = 15158964. Its totient is φ = 10105968.

The previous prime is 12632443. The next prime is 12632467. The reversal of 12632465 is 56423621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56423621 = 66185361.

It can be written as a sum of positive squares in 2 ways, for example, as 2334784 + 10297681 = 1528^2 + 3209^2 .

It is a cyclic number.

It is not a de Polignac number, because 12632465 - 26 = 12632401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12632467) 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, 1263242 + ... + 1263251.

It is an arithmetic number, because the mean of its divisors is an integer number (3789741).

Almost surely, 212632465 is an apocalyptic number.

It is an amenable number.

12632465 is a deficient number, since it is larger than the sum of its proper divisors (2526499).

12632465 is an equidigital number, since it uses as much as digits as its factorization.

12632465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2526498.

The product of its digits is 8640, while the sum is 29.

The square root of 12632465 is about 3554.2179167856. The cubic root of 12632465 is about 232.8963601774.

The spelling of 12632465 in words is "twelve million, six hundred thirty-two thousand, four hundred sixty-five".

Divisors: 1 5 2526493 12632465