12535653 has 8 divisors (see below), whose sum is σ = 17999968. Its totient is φ = 7714224.

The previous prime is 12535651. The next prime is 12535673. The reversal of 12535653 is 35653521.

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

It is not a de Polignac number, because 12535653 - 2¹ = 12535651 is a prime.

It is a super-2 number, since 2×12535653² = 314285192272818, which contains 22 as substring.

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 12535653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12535651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160675 + ... + 160752.

It is an arithmetic number, because the mean of its divisors is an integer number (2249996).

Almost surely, 2^12535653 is an apocalyptic number.

12535653 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12535653 is a deficient number, since it is larger than the sum of its proper divisors (5464315).

12535653 is a wasteful number, since it uses less digits than its factorization.

12535653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321443.

The product of its digits is 13500, while the sum is 30.

The square root of 12535653 is about 3540.5724113482. The cubic root of 12535653 is about 232.2998809869.

It can be divided in two parts, 125 and 35653, that added together give a triangular number (35778 = T₂₆₇).

The spelling of 12535653 in words is "twelve million, five hundred thirty-five thousand, six hundred fifty-three".