12761515 has 8 divisors (see below), whose sum is σ = 16491888. Its totient is φ = 9423840.

The previous prime is 12761513. The next prime is 12761533. The reversal of 12761515 is 51516721.

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

It is not a de Polignac number, because 12761515 - 2¹ = 12761513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12761513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98101 + ... + 98230.

It is an arithmetic number, because the mean of its divisors is an integer number (2061486).

Almost surely, 2^12761515 is an apocalyptic number.

12761515 is a deficient number, since it is larger than the sum of its proper divisors (3730373).

12761515 is a wasteful number, since it uses less digits than its factorization.

12761515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196349.

The product of its digits is 2100, while the sum is 28.

The square root of 12761515 is about 3572.3262728928. The cubic root of 12761515 is about 233.6867444918.

The spelling of 12761515 in words is "twelve million, seven hundred sixty-one thousand, five hundred fifteen".