12537061 has 4 divisors (see below), whose sum is σ = 12589324. Its totient is φ = 12484800.

The previous prime is 12537023. The next prime is 12537079. The reversal of 12537061 is 16073521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7806436 + 4730625 = 2794^2 + 2175^2 .

It is a cyclic number.

It is not a de Polignac number, because 12537061 - 2¹¹ = 12535013 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 (12537761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25770 + ... + 26251.

It is an arithmetic number, because the mean of its divisors is an integer number (3147331).

Almost surely, 2^12537061 is an apocalyptic number.

It is an amenable number.

12537061 is a deficient number, since it is larger than the sum of its proper divisors (52263).

12537061 is an equidigital number, since it uses as much as digits as its factorization.

12537061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52262.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 12537061 is about 3540.7712436699. The cubic root of 12537061 is about 232.3085779408.

The spelling of 12537061 in words is "twelve million, five hundred thirty-seven thousand, sixty-one".