12773520015 has 16 divisors (see below), whose sum is σ = 20912926848. Its totient is φ = 6654112416.

The previous prime is 12773519989. The next prime is 12773520037. The reversal of 12773520015 is 51002537721.

It is a happy number.

It is not a de Polignac number, because 12773520015 - 2⁹ = 12773519503 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9901309 + ... + 9902598.

It is an arithmetic number, because the mean of its divisors is an integer number (1307057928).

Almost surely, 2^12773520015 is an apocalyptic number.

12773520015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12773520015 is a deficient number, since it is larger than the sum of its proper divisors (8139406833).

12773520015 is a wasteful number, since it uses less digits than its factorization.

12773520015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19803958.

The product of its (nonzero) digits is 14700, while the sum is 33.

The spelling of 12773520015 in words is "twelve billion, seven hundred seventy-three million, five hundred twenty thousand, fifteen".