12070040 has 16 divisors (see below), whose sum is σ = 27157680. Its totient is φ = 4828000.

The previous prime is 12070021. The next prime is 12070049. The reversal of 12070040 is 4007021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12069997 and 12070024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12070049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150836 + ... + 150915.

It is an arithmetic number, because the mean of its divisors is an integer number (1697355).

Almost surely, 2^12070040 is an apocalyptic number.

12070040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12070040 is an abundant number, since it is smaller than the sum of its proper divisors (15087640).

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

12070040 is a wasteful number, since it uses less digits than its factorization.

12070040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301762 (or 301758 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 12070040 is about 3474.1963099399. The cubic root of 12070040 is about 229.3874057492.

Adding to 12070040 its reverse (4007021), we get a palindrome (16077061).

The spelling of 12070040 in words is "twelve million, seventy thousand, forty".