12507087 has 16 divisors (see below), whose sum is σ = 17805312. Its totient is φ = 7781760.

The previous prime is 12507059. The next prime is 12507107. The reversal of 12507087 is 78070521.

It is a happy number.

It is not a de Polignac number, because 12507087 - 2¹¹ = 12505039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12507037) 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, 5512 + ... + 7442.

It is an arithmetic number, because the mean of its divisors is an integer number (1112832).

Almost surely, 2^12507087 is an apocalyptic number.

12507087 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12507087 is a deficient number, since it is larger than the sum of its proper divisors (5298225).

12507087 is a wasteful number, since it uses less digits than its factorization.

12507087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2078.

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 12507087 is about 3536.5360170653. The cubic root of 12507087 is about 232.1232933144.

The spelling of 12507087 in words is "twelve million, five hundred seven thousand, eighty-seven".