13401306 has 24 divisors (see below), whose sum is σ = 30038580. Its totient is φ = 4312896.

The previous prime is 13401299. The next prime is 13401307. The reversal of 13401306 is 60310431.

It can be written as a sum of positive squares in 2 ways, for example, as 12852225 + 549081 = 3585^2 + 741^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (13401307) 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, 12315 + ... + 13358.

Almost surely, 2^13401306 is an apocalyptic number.

13401306 is an abundant number, since it is smaller than the sum of its proper divisors (16637274).

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

13401306 is a wasteful number, since it uses less digits than its factorization.

13401306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25710 (or 25707 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 13401306 is about 3660.7794252044. The cubic root of 13401306 is about 237.5284900264.

Adding to 13401306 its reverse (60310431), we get a palindrome (73711737).

The spelling of 13401306 in words is "thirteen million, four hundred one thousand, three hundred six".