13081401 has 6 divisors (see below), whose sum is σ = 18895370. Its totient is φ = 8720928.

The previous prime is 13081379. The next prime is 13081423. The reversal of 13081401 is 10418031.

It is an interprime number because it is at equal distance from previous prime (13081379) and next prime (13081423).

It can be written as a sum of positive squares in only one way, i.e., 8415801 + 4665600 = 2901^2 + 2160^2 .

It is not a de Polignac number, because 13081401 - 2¹⁰ = 13080377 is a prime.

It is a super-2 number, since 2×13081401² = 342246104245602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13081801) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 726736 + ... + 726753.

Almost surely, 2^13081401 is an apocalyptic number.

It is an amenable number.

13081401 is a deficient number, since it is larger than the sum of its proper divisors (5813969).

13081401 is a wasteful number, since it uses less digits than its factorization.

13081401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453495 (or 1453492 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 13081401 is about 3616.8219475114. The cubic root of 13081401 is about 235.6232197611.

Adding to 13081401 its reverse (10418031), we get a palindrome (23499432).

The spelling of 13081401 in words is "thirteen million, eighty-one thousand, four hundred one".