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13391260 = 2251394817
BaseRepresentation
bin110011000101…
…010110011100
3221012100100121
4303011112130
511412010020
61155004324
7221552401
oct63052634
927170317
1013391260
117617063
1245996a4
132a0b32c
141ac82a8
151297baa
hexcc559c

13391260 has 24 divisors (see below), whose sum is σ = 28329840. Its totient is φ = 5316864.

The previous prime is 13391251. The next prime is 13391293. The reversal of 13391260 is 6219331.

13391260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372 + ... + 5188.

It is an arithmetic number, because the mean of its divisors is an integer number (1180410).

Almost surely, 213391260 is an apocalyptic number.

13391260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13391260 is an abundant number, since it is smaller than the sum of its proper divisors (14938580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13391260 is a wasteful number, since it uses less digits than its factorization.

13391260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4965 (or 4963 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 13391260 is about 3659.4070557947. The cubic root of 13391260 is about 237.4691224862.

The spelling of 13391260 in words is "thirteen million, three hundred ninety-one thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 139 278 556 695 1390 2780 4817 9634 19268 24085 48170 96340 669563 1339126 2678252 3347815 6695630 13391260