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12948011 = 231673371
BaseRepresentation
bin110001011001…
…001000101011
3220100211022222
4301121020223
511303314021
61141304255
7215025206
oct61311053
926324288
1012948011
11734403a
12440508b
1328b465b
141a1093d
15120b6ab
hexc5922b

12948011 has 8 divisors (see below), whose sum is σ = 13595904. Its totient is φ = 12307240.

The previous prime is 12947993. The next prime is 12948017. The reversal of 12948011 is 11084921.

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

It is a cyclic number.

It is not a de Polignac number, because 12948011 - 210 = 12946987 is a prime.

It is a super-2 number, since 2×129480112 = 335301977712242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12948017) 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, 2156 + ... + 5526.

It is an arithmetic number, because the mean of its divisors is an integer number (1699488).

Almost surely, 212948011 is an apocalyptic number.

12948011 is a deficient number, since it is larger than the sum of its proper divisors (647893).

12948011 is a wasteful number, since it uses less digits than its factorization.

12948011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3561.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 12948011 is about 3598.3344758374. The cubic root of 12948011 is about 234.8196050310.

The spelling of 12948011 in words is "twelve million, nine hundred forty-eight thousand, eleven".

Divisors: 1 23 167 3371 3841 77533 562957 12948011