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13080770 = 251308077
BaseRepresentation
bin110001111001…
…100011000010
3220121120102222
4301321203002
511322041040
61144211042
7216120233
oct61714302
926546388
1013080770
11742485a
124469a82
13292cc01
141a4708a
151235bb5
hexc798c2

13080770 has 8 divisors (see below), whose sum is σ = 23545404. Its totient is φ = 5232304.

The previous prime is 13080751. The next prime is 13080773. The reversal of 13080770 is 7708031.

It can be written as a sum of positive squares in 2 ways, for example, as 12967201 + 113569 = 3601^2 + 337^2 .

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

It is a super-2 number, since 2×130807702 = 342213087585800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13080773) 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 3 ways as a sum of consecutive naturals, for example, 654029 + ... + 654048.

Almost surely, 213080770 is an apocalyptic number.

13080770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13080770 is a deficient number, since it is larger than the sum of its proper divisors (10464634).

13080770 is a wasteful number, since it uses less digits than its factorization.

13080770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308084.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 13080770 is about 3616.7347151816. The cubic root of 13080770 is about 235.6194311597.

The spelling of 13080770 in words is "thirteen million, eighty thousand, seven hundred seventy".

Divisors: 1 2 5 10 1308077 2616154 6540385 13080770