1401013 has 4 divisors (see below), whose sum is σ = 1404940. Its totient is φ = 1397088.

The previous prime is 1401007. The next prime is 1401017. The reversal of 1401013 is 3101041.

It is a happy number.

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 492804 + 908209 = 702^2 + 953^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1401013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401017) 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, 1368 + ... + 2161.

It is an arithmetic number, because the mean of its divisors is an integer number (351235).

2^1401013 is an apocalyptic number.

It is an amenable number.

1401013 is a deficient number, since it is larger than the sum of its proper divisors (3927).

1401013 is an equidigital number, since it uses as much as digits as its factorization.

1401013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3926.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1401013 is about 1183.6439498430. The cubic root of 1401013 is about 111.8958694149.

Adding to 1401013 its reverse (3101041), we get a palindrome (4502054).

The spelling of 1401013 in words is "one million, four hundred one thousand, thirteen".