12162653 has 4 divisors (see below), whose sum is σ = 12691488. Its totient is φ = 11633820.

The previous prime is 12162649. The next prime is 12162671. The reversal of 12162653 is 35626121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35626121 = 19 ⋅1875059.

It is a cyclic number.

It is not a de Polignac number, because 12162653 - 2² = 12162649 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 (12162253) 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, 264383 + ... + 264428.

It is an arithmetic number, because the mean of its divisors is an integer number (3172872).

Almost surely, 2^12162653 is an apocalyptic number.

It is an amenable number.

12162653 is a deficient number, since it is larger than the sum of its proper divisors (528835).

12162653 is an equidigital number, since it uses as much as digits as its factorization.

12162653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528834.

The product of its digits is 2160, while the sum is 26.

The square root of 12162653 is about 3487.4995340501. The cubic root of 12162653 is about 229.9726054329.

Adding to 12162653 its reverse (35626121), we get a palindrome (47788774).

The spelling of 12162653 in words is "twelve million, one hundred sixty-two thousand, six hundred fifty-three".