12409064 has 8 divisors (see below), whose sum is σ = 23267010. Its totient is φ = 6204528.

The previous prime is 12409037. The next prime is 12409091. The reversal of 12409064 is 46090421.

It is an interprime number because it is at equal distance from previous prime (12409037) and next prime (12409091).

It can be written as a sum of positive squares in only one way, i.e., 6980164 + 5428900 = 2642^2 + 2330^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 775559 + ... + 775574.

Almost surely, 2^12409064 is an apocalyptic number.

It is an amenable number.

12409064 is a deficient number, since it is larger than the sum of its proper divisors (10857946).

12409064 is a wasteful number, since it uses less digits than its factorization.

12409064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1551139 (or 1551135 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 12409064 is about 3522.6501387450. The cubic root of 12409064 is about 231.5152880480.

Adding to 12409064 its reverse (46090421), we get a palindrome (58499485).

The spelling of 12409064 in words is "twelve million, four hundred nine thousand, sixty-four".