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13242995 = 52991331
BaseRepresentation
bin110010100001…
…001001110011
3220220210222022
4302201021303
511342233440
61151502055
7220364213
oct62411163
926823868
1013242995
117525727
12452792b
1329889bc
141a8a243
151268cb5
hexca1273

13242995 has 8 divisors (see below), whose sum is σ = 16439760. Its totient is φ = 10228960.

The previous prime is 13242973. The next prime is 13242997. The reversal of 13242995 is 59924231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13242995 - 210 = 13241971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13242997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45521 + ... + 45810.

It is an arithmetic number, because the mean of its divisors is an integer number (2054970).

Almost surely, 213242995 is an apocalyptic number.

13242995 is a deficient number, since it is larger than the sum of its proper divisors (3196765).

13242995 is an equidigital number, since it uses as much as digits as its factorization.

13242995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91365.

The product of its digits is 19440, while the sum is 35.

The square root of 13242995 is about 3639.0926066810. The cubic root of 13242995 is about 236.5894665437.

The spelling of 13242995 in words is "thirteen million, two hundred forty-two thousand, nine hundred ninety-five".

Divisors: 1 5 29 145 91331 456655 2648599 13242995