405970012 has 12 divisors (see below), whose sum is σ = 811940080. Its totient is φ = 173987136.

The previous prime is 405970003. The next prime is 405970021. The reversal of 405970012 is 210079504.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (405970003) and next prime (405970021).

405970012 is an admirable number.

It is a super-3 number, since 3×405970012³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 14498929 = 405970012 / (4 + 0 + 5 + 9 + 7 + 0 + 0 + 1 + 2).

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 7249437 + ... + 7249492.

Almost surely, 2^405970012 is an apocalyptic number.

It is an amenable number.

405970012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

405970012 is a wasteful number, since it uses less digits than its factorization.

405970012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14498940 (or 14498938 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 405970012 is about 20148.6975261430. The cubic root of 405970012 is about 740.4538316705.

The spelling of 405970012 in words is "four hundred five million, nine hundred seventy thousand, twelve".