12389652 has 48 divisors (see below), whose sum is σ = 35044800. Its totient is φ = 3754080.

The previous prime is 12389639. The next prime is 12389669. The reversal of 12389652 is 25698321.

12389652 is nontrivially palindromic in base 13.

It is a super-2 number, since 2×12389652² = 307006953362208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4027 + ... + 6402.

It is an arithmetic number, because the mean of its divisors is an integer number (730100).

Almost surely, 2^12389652 is an apocalyptic number.

12389652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12389652 is an abundant number, since it is smaller than the sum of its proper divisors (22655148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12389652 is a wasteful number, since it uses less digits than its factorization.

12389652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10453 (or 10445 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 12389652 is about 3519.8937483964. The cubic root of 12389652 is about 231.3945021375.

It can be divided in two parts, 12389 and 652, that added together give a triangular number (13041 = T₁₆₁).

The spelling of 12389652 in words is "twelve million, three hundred eighty-nine thousand, six hundred fifty-two".