Search a number
-
+
13017388 = 228339209
BaseRepresentation
bin110001101010…
…000100101100
3220111100111111
4301222010230
511313024023
61143001404
7215434366
oct61520454
926440444
1013017388
11739117a
124439264
13290a0c7
141a2bd36
15122200d
hexc6a12c

13017388 has 12 divisors (see below), whose sum is σ = 23055480. Its totient is φ = 6430112.

The previous prime is 13017349. The next prime is 13017397. The reversal of 13017388 is 88371031.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19273 + ... + 19936.

It is an arithmetic number, because the mean of its divisors is an integer number (1921290).

Almost surely, 213017388 is an apocalyptic number.

It is an amenable number.

13017388 is a deficient number, since it is larger than the sum of its proper divisors (10038092).

13017388 is a wasteful number, since it uses less digits than its factorization.

13017388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39296 (or 39294 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 13017388 is about 3607.9617514602. The cubic root of 13017388 is about 235.2382554199.

The spelling of 13017388 in words is "thirteen million, seventeen thousand, three hundred eighty-eight".

Divisors: 1 2 4 83 166 332 39209 78418 156836 3254347 6508694 13017388