2729012 has 36 divisors (see below), whose sum is σ = 5656896. Its totient is φ = 1141920.

The previous prime is 2729003. The next prime is 2729017. The reversal of 2729012 is 2109272.

It is a super-2 number, since 2×2729012² = 14895012992288, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2729017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7253 + ... + 7619.

It is an arithmetic number, because the mean of its divisors is an integer number (157136).

2^2729012 is an apocalyptic number.

2729012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2729012 is an abundant number, since it is smaller than the sum of its proper divisors (2927884).

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

2729012 is a wasteful number, since it uses less digits than its factorization.

2729012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 2729012 is about 1651.9721547290. The cubic root of 2729012 is about 139.7446365347.

The spelling of 2729012 in words is "two million, seven hundred twenty-nine thousand, twelve".