12152661 has 16 divisors (see below), whose sum is σ = 16633344. Its totient is φ = 7889904.

The previous prime is 12152659. The next prime is 12152663. The reversal of 12152661 is 16625121.

It is an interprime number because it is at equal distance from previous prime (12152659) and next prime (12152663).

It is not a de Polignac number, because 12152661 - 2¹ = 12152659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12152663) 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, 20410 + ... + 20996.

It is an arithmetic number, because the mean of its divisors is an integer number (1039584).

Almost surely, 2^12152661 is an apocalyptic number.

It is an amenable number.

12152661 is a deficient number, since it is larger than the sum of its proper divisors (4480683).

12152661 is a wasteful number, since it uses less digits than its factorization.

12152661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760.

The product of its digits is 720, while the sum is 24.

The square root of 12152661 is about 3486.0666947148. The cubic root of 12152661 is about 229.9096116156.

Adding to 12152661 its reverse (16625121), we get a palindrome (28777782).

The spelling of 12152661 in words is "twelve million, one hundred fifty-two thousand, six hundred sixty-one".