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13293914 = 26646957
BaseRepresentation
bin110010101101…
…100101011010
3221000101211012
4302231211122
511400401124
61152533522
7220665524
oct62554532
927011735
1013293914
11755aa07
1245512a2
1329a5c2a
141aa0a14
151278e0e
hexcad95a

13293914 has 4 divisors (see below), whose sum is σ = 19940874. Its totient is φ = 6646956.

The previous prime is 13293893. The next prime is 13293971. The reversal of 13293914 is 41939231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41939231 = 103407177.

It can be written as a sum of positive squares in only one way, i.e., 9815689 + 3478225 = 3133^2 + 1865^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3323477 + ... + 3323480.

Almost surely, 213293914 is an apocalyptic number.

13293914 is a deficient number, since it is larger than the sum of its proper divisors (6646960).

13293914 is an equidigital number, since it uses as much as digits as its factorization.

13293914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6646959.

The product of its digits is 5832, while the sum is 32.

The square root of 13293914 is about 3646.0820067574. The cubic root of 13293914 is about 236.8923056907.

The spelling of 13293914 in words is "thirteen million, two hundred ninety-three thousand, nine hundred fourteen".

Divisors: 1 2 6646957 13293914