18370412 has 12 divisors (see below), whose sum is σ = 32329080. Its totient is φ = 9133536.

The previous prime is 18370409. The next prime is 18370433. The reversal of 18370412 is 21407381.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12113 + ... + 13544.

It is an arithmetic number, because the mean of its divisors is an integer number (2694090).

Almost surely, 2^18370412 is an apocalyptic number.

It is an amenable number.

18370412 is a deficient number, since it is larger than the sum of its proper divisors (13958668).

18370412 is a wasteful number, since it uses less digits than its factorization.

18370412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25840 (or 25838 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 18370412 is about 4286.0718612734. The cubic root of 18370412 is about 263.8596399584.

Adding to 18370412 its reverse (21407381), we get a palindrome (39777793).

The spelling of 18370412 in words is "eighteen million, three hundred seventy thousand, four hundred twelve".