13135401 has 12 divisors (see below), whose sum is σ = 19234228. Its totient is φ = 8636544.

The previous prime is 13135399. The next prime is 13135433. The reversal of 13135401 is 10453131.

It can be written as a sum of positive squares in 2 ways, for example, as 7617600 + 5517801 = 2760^2 + 2349^2 .

It is not a de Polignac number, because 13135401 - 2¹ = 13135399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13135301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9340 + ... + 10653.

Almost surely, 2^13135401 is an apocalyptic number.

It is an amenable number.

13135401 is a deficient number, since it is larger than the sum of its proper divisors (6098827).

13135401 is a wasteful number, since it uses less digits than its factorization.

13135401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20072 (or 20069 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 13135401 is about 3624.2793766485. The cubic root of 13135401 is about 235.9469920687.

Adding to 13135401 its reverse (10453131), we get a palindrome (23588532).

The spelling of 13135401 in words is "thirteen million, one hundred thirty-five thousand, four hundred one".