Search a number
-
+
13240963 = 29345191
BaseRepresentation
bin110010100000…
…101010000011
3220220201012001
4302200222003
511342202323
61151444431
7220355251
oct62405203
926821161
1013240963
11752414a
124526717
132987ab8
141a895d1
1512683ad
hexca0a83

13240963 has 4 divisors (see below), whose sum is σ = 13286448. Its totient is φ = 13195480.

The previous prime is 13240949. The next prime is 13240973. The reversal of 13240963 is 36904231.

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

It is a cyclic number.

It is not a de Polignac number, because 13240963 - 213 = 13232771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13240933) 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, 22303 + ... + 22888.

It is an arithmetic number, because the mean of its divisors is an integer number (3321612).

Almost surely, 213240963 is an apocalyptic number.

13240963 is a deficient number, since it is larger than the sum of its proper divisors (45485).

13240963 is an equidigital number, since it uses as much as digits as its factorization.

13240963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45484.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 13240963 is about 3638.8134054936. The cubic root of 13240963 is about 236.5773651928.

It can be divided in two parts, 132 and 40963, that multiplied together give a triangular number (5407116 = T3288).

The spelling of 13240963 in words is "thirteen million, two hundred forty thousand, nine hundred sixty-three".

Divisors: 1 293 45191 13240963