13424646 has 16 divisors (see below), whose sum is σ = 26892864. Its totient is φ = 4467624.

The previous prime is 13424641. The next prime is 13424647. The reversal of 13424646 is 64642431.

It is a super-2 number, since 2×13424646² = 360442240450632, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13424641) 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, 3301 + ... + 6143.

It is an arithmetic number, because the mean of its divisors is an integer number (1680804).

Almost surely, 2^13424646 is an apocalyptic number.

13424646 is an abundant number, since it is smaller than the sum of its proper divisors (13468218).

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

13424646 is a wasteful number, since it uses less digits than its factorization.

13424646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3635.

The product of its digits is 13824, while the sum is 30.

The square root of 13424646 is about 3663.9658841206. The cubic root of 13424646 is about 237.6663049429. Note that the first 3 decimals are identical.

The spelling of 13424646 in words is "thirteen million, four hundred twenty-four thousand, six hundred forty-six".