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13113001 = 111770123
BaseRepresentation
bin110010000001…
…011010101001
3220200012122201
4302001122221
511324104001
61145020201
7216313216
oct62013251
926605581
1013113001
117446aa0
124484661
132941795
141a54b0d
151240501
hexc816a9

13113001 has 8 divisors (see below), whose sum is σ = 15146784. Its totient is φ = 11219520.

The previous prime is 13112971. The next prime is 13113011. The reversal of 13113001 is 10031131.

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 13113001 - 219 = 12588713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13113011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34875 + ... + 35248.

It is an arithmetic number, because the mean of its divisors is an integer number (1893348).

Almost surely, 213113001 is an apocalyptic number.

13113001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13113001 is a deficient number, since it is larger than the sum of its proper divisors (2033783).

13113001 is a wasteful number, since it uses less digits than its factorization.

13113001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70151.

The product of its (nonzero) digits is 9, while the sum is 10.

The square root of 13113001 is about 3621.1877885578. The cubic root of 13113001 is about 235.8127944200.

Adding to 13113001 its reverse (10031131), we get a palindrome (23144132).

The spelling of 13113001 in words is "thirteen million, one hundred thirteen thousand, one".

Divisors: 1 11 17 187 70123 771353 1192091 13113001