17970012 has 60 divisors (see below), whose sum is σ = 48279000. Its totient is φ = 5824224.

The previous prime is 17970011. The next prime is 17970019. The reversal of 17970012 is 21007971.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17970011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11239 + ... + 12737.

It is an arithmetic number, because the mean of its divisors is an integer number (804650).

Almost surely, 2^17970012 is an apocalyptic number.

17970012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 17970012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24139500).

17970012 is an abundant number, since it is smaller than the sum of its proper divisors (30308988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

17970012 is a wasteful number, since it uses less digits than its factorization.

17970012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552 (or 1541 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 27.

The square root of 17970012 is about 4239.1050942386. The cubic root of 17970012 is about 261.9285200182.

Adding to 17970012 its reverse (21007971), we get a palindrome (38977983).

The spelling of 17970012 in words is "seventeen million, nine hundred seventy thousand, twelve".