12761140 has 24 divisors (see below), whose sum is σ = 30627072. Its totient is φ = 4375200.

The previous prime is 12761129. The next prime is 12761143. The reversal of 12761140 is 4116721.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12761143) 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, 45436 + ... + 45715.

It is an arithmetic number, because the mean of its divisors is an integer number (1276128).

Almost surely, 2^12761140 is an apocalyptic number.

12761140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12761140 is an abundant number, since it is smaller than the sum of its proper divisors (17865932).

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

12761140 is a wasteful number, since it uses less digits than its factorization.

12761140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91167 (or 91165 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 12761140 is about 3572.2737857001. The cubic root of 12761140 is about 233.6844554901.

Adding to 12761140 its reverse (4116721), we get a palindrome (16877861).

The spelling of 12761140 in words is "twelve million, seven hundred sixty-one thousand, one hundred forty".