12611501 has 16 divisors (see below), whose sum is σ = 15396480. Its totient is φ = 10083840.

The previous prime is 12611483. The next prime is 12611519. The reversal of 12611501 is 10511621.

It is an interprime number because it is at equal distance from previous prime (12611483) and next prime (12611519).

It is a cyclic number.

It is not a de Polignac number, because 12611501 - 2¹⁴ = 12595117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 12611501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12611581) 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 15 ways as a sum of consecutive naturals, for example, 15185 + ... + 15993.

It is an arithmetic number, because the mean of its divisors is an integer number (962280).

Almost surely, 2^12611501 is an apocalyptic number.

It is an amenable number.

12611501 is a deficient number, since it is larger than the sum of its proper divisors (2784979).

12611501 is a wasteful number, since it uses less digits than its factorization.

12611501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964.

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 12611501 is about 3551.2675201961. The cubic root of 12611501 is about 232.7674557330.

The spelling of 12611501 in words is "twelve million, six hundred eleven thousand, five hundred one".