12402064 has 20 divisors (see below), whose sum is σ = 24108700. Its totient is φ = 6180480.

The previous prime is 12402059. The next prime is 12402073. The reversal of 12402064 is 46020421.

It can be written as a sum of positive squares in 2 ways, for example, as 8761600 + 3640464 = 2960^2 + 1908^2 .

It is a super-2 number, since 2×12402064² = 307622382920192, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4474 + ... + 6694.

It is an arithmetic number, because the mean of its divisors is an integer number (1205435).

Almost surely, 2^12402064 is an apocalyptic number.

It is an amenable number.

12402064 is a deficient number, since it is larger than the sum of its proper divisors (11706636).

12402064 is a wasteful number, since it uses less digits than its factorization.

12402064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2578 (or 2572 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 12402064 is about 3521.6564284439. The cubic root of 12402064 is about 231.4717469762.

Adding to 12402064 its reverse (46020421), we get a palindrome (58422485).

The spelling of 12402064 in words is "twelve million, four hundred two thousand, sixty-four".