12707120 has 40 divisors (see below), whose sum is σ = 29733216. Its totient is φ = 5050368.

The previous prime is 12707119. The next prime is 12707129. The reversal of 12707120 is 2170721.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×12707120² = 322941797388800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12707092 and 12707101.

It is not an unprimeable number, because it can be changed into a prime (12707129) 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, 15029 + ... + 15851.

Almost surely, 2^12707120 is an apocalyptic number.

12707120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12707120 is an abundant number, since it is smaller than the sum of its proper divisors (17026096).

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

12707120 is a wasteful number, since it uses less digits than its factorization.

12707120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029 (or 1023 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 12707120 is about 3564.7047563578. The cubic root of 12707120 is about 233.3542475585.

Adding to 12707120 its reverse (2170721), we get a palindrome (14877841).

The spelling of 12707120 in words is "twelve million, seven hundred seven thousand, one hundred twenty".