18070412 has 6 divisors (see below), whose sum is σ = 31623228. Its totient is φ = 9035204.

The previous prime is 18070411. The next prime is 18070477. The reversal of 18070412 is 21407081.

It is not an unprimeable number, because it can be changed into a prime (18070411) by changing a digit.

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, 2258798 + ... + 2258805.

It is an arithmetic number, because the mean of its divisors is an integer number (5270538).

Almost surely, 2^18070412 is an apocalyptic number.

It is an amenable number.

18070412 is a deficient number, since it is larger than the sum of its proper divisors (13552816).

18070412 is a wasteful number, since it uses less digits than its factorization.

18070412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4517607 (or 4517605 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 18070412 is about 4250.9307216185. The cubic root of 18070412 is about 262.4154200672.

Adding to 18070412 its reverse (21407081), we get a palindrome (39477493).

The spelling of 18070412 in words is "eighteen million, seventy thousand, four hundred twelve".