16945012 has 24 divisors (see below), whose sum is σ = 33979904. Its totient is φ = 7242912.

The previous prime is 16944973. The next prime is 16945021. The reversal of 16945012 is 21054961.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 16498 + ... + 17494.

Almost surely, 2^16945012 is an apocalyptic number.

It is an amenable number.

16945012 is an abundant number, since it is smaller than the sum of its proper divisors (17034892).

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

16945012 is a wasteful number, since it uses less digits than its factorization.

16945012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1615 (or 1613 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 16945012 is about 4116.4319501238. The cubic root of 16945012 is about 256.8506250415.

Adding to 16945012 its reverse (21054961), we get a palindrome (37999973).

The spelling of 16945012 in words is "sixteen million, nine hundred forty-five thousand, twelve".