12611487 has 16 divisors (see below), whose sum is σ = 19738112. Its totient is φ = 7011360.

The previous prime is 12611483. The next prime is 12611519. The reversal of 12611487 is 78411621.

12611487 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12611487 - 2² = 12611483 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12611483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7339 + ... + 8892.

It is an arithmetic number, because the mean of its divisors is an integer number (1233632).

Almost surely, 2^12611487 is an apocalyptic number.

12611487 is a deficient number, since it is larger than the sum of its proper divisors (7126625).

12611487 is a wasteful number, since it uses less digits than its factorization.

12611487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16278.

The product of its digits is 2688, while the sum is 30.

The square root of 12611487 is about 3551.2655490684. The cubic root of 12611487 is about 232.7673696014.

The spelling of 12611487 in words is "twelve million, six hundred eleven thousand, four hundred eighty-seven".