13240612 has 24 divisors (see below), whose sum is σ = 28889280. Its totient is φ = 5158560.

The previous prime is 13240609. The next prime is 13240613. The reversal of 13240612 is 21604231.

It is a super-2 number, since 2×13240612² = 350627612269088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13240612.

It is not an unprimeable number, because it can be changed into a prime (13240613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21187 + ... + 21802.

It is an arithmetic number, because the mean of its divisors is an integer number (1203720).

Almost surely, 2^13240612 is an apocalyptic number.

It is an amenable number.

13240612 is an abundant number, since it is smaller than the sum of its proper divisors (15648668).

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

13240612 is a wasteful number, since it uses less digits than its factorization.

13240612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43011 (or 43009 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 13240612 is about 3638.7651751659. The cubic root of 13240612 is about 236.5752747258.

Adding to 13240612 its reverse (21604231), we get a palindrome (34844843).

The spelling of 13240612 in words is "thirteen million, two hundred forty thousand, six hundred twelve".