12609501 has 8 divisors (see below), whose sum is σ = 16831584. Its totient is φ = 8396880.

The previous prime is 12609491. The next prime is 12609503. The reversal of 12609501 is 10590621.

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

It is not a de Polignac number, because 12609501 - 2¹¹ = 12607453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12609503) 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, 1791 + ... + 5331.

It is an arithmetic number, because the mean of its divisors is an integer number (2103948).

Almost surely, 2^12609501 is an apocalyptic number.

It is an amenable number.

12609501 is a deficient number, since it is larger than the sum of its proper divisors (4222083).

12609501 is a wasteful number, since it uses less digits than its factorization.

12609501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4731.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 12609501 is about 3550.9859194314. The cubic root of 12609501 is about 232.7551505754.

The spelling of 12609501 in words is "twelve million, six hundred nine thousand, five hundred one".