12509059 has 16 divisors (see below), whose sum is σ = 13771296. Its totient is φ = 11315200.

The previous prime is 12509009. The next prime is 12509083. The reversal of 12509059 is 95090521.

12509059 = T₃₅₇ + T₃₅₈ + ... + T₄₉₃.

It is not a de Polignac number, because 12509059 - 2⁷ = 12508931 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12509059.

It is not an unprimeable number, because it can be changed into a prime (12509009) 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, 91239 + ... + 91375.

It is an arithmetic number, because the mean of its divisors is an integer number (860706).

Almost surely, 2^12509059 is an apocalyptic number.

12509059 is a deficient number, since it is larger than the sum of its proper divisors (1262237).

12509059 is a wasteful number, since it uses less digits than its factorization.

12509059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326.

The product of its (nonzero) digits is 4050, while the sum is 31.

The square root of 12509059 is about 3536.8148099667. The cubic root of 12509059 is about 232.1354923468.

The spelling of 12509059 in words is "twelve million, five hundred nine thousand, fifty-nine".