13243401 has 12 divisors (see below), whose sum is σ = 19789380. Its totient is φ = 8524320.

The previous prime is 13243393. The next prime is 13243409. The reversal of 13243401 is 10434231.

13243401 is a `hidden beast` number, since 1 + 324 + 340 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (13243393) and next prime (13243409).

It can be written as a sum of positive squares in 2 ways, for example, as 4511376 + 8732025 = 2124^2 + 2955^2 .

It is not a de Polignac number, because 13243401 - 2³ = 13243393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13243409) 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, 25110 + ... + 25631.

It is an arithmetic number, because the mean of its divisors is an integer number (1649115).

Almost surely, 2^13243401 is an apocalyptic number.

It is an amenable number.

13243401 is a deficient number, since it is larger than the sum of its proper divisors (6545979).

13243401 is a wasteful number, since it uses less digits than its factorization.

13243401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50776 (or 50773 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 13243401 is about 3639.1483893900. The cubic root of 13243401 is about 236.5918842833.

Adding to 13243401 its reverse (10434231), we get a palindrome (23677632).

The spelling of 13243401 in words is "thirteen million, two hundred forty-three thousand, four hundred one".