13331401 has 4 divisors (see below), whose sum is σ = 13449492. Its totient is φ = 13213312.

The previous prime is 13331309. The next prime is 13331411. The reversal of 13331401 is 10413331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 198025 + 13133376 = 445^2 + 3624^2 .

It is a cyclic number.

It is not a de Polignac number, because 13331401 - 2¹¹ = 13329353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13331411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58876 + ... + 59101.

It is an arithmetic number, because the mean of its divisors is an integer number (3362373).

Almost surely, 2^13331401 is an apocalyptic number.

It is an amenable number.

13331401 is a deficient number, since it is larger than the sum of its proper divisors (118091).

13331401 is a wasteful number, since it uses less digits than its factorization.

13331401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118090.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 13331401 is about 3651.2191114750. The cubic root of 13331401 is about 237.1147645734.

Adding to 13331401 its reverse (10413331), we get a palindrome (23744732).

The spelling of 13331401 in words is "thirteen million, three hundred thirty-one thousand, four hundred one".