12464129 has 4 divisors (see below), whose sum is σ = 12485076. Its totient is φ = 12443184.

The previous prime is 12464119. The next prime is 12464141. The reversal of 12464129 is 92146421.

12464129 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5452225 + 7011904 = 2335^2 + 2648^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12464129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12464119) 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, 9554 + ... + 10779.

It is an arithmetic number, because the mean of its divisors is an integer number (3121269).

It is a Proth number, since it is equal to 3043 ⋅ 2¹² + 1 and 3043 < 2¹².

Almost surely, 2^12464129 is an apocalyptic number.

It is an amenable number.

12464129 is a deficient number, since it is larger than the sum of its proper divisors (20947).

12464129 is an equidigital number, since it uses as much as digits as its factorization.

12464129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20946.

The product of its digits is 3456, while the sum is 29.

The square root of 12464129 is about 3530.4573358136. The cubic root of 12464129 is about 231.8572310764.

It can be divided in two parts, 1246412 and 9, that added together give a palindrome (1246421).

The spelling of 12464129 in words is "twelve million, four hundred sixty-four thousand, one hundred twenty-nine".