10420013 has 4 divisors (see below), whose sum is σ = 10429440. Its totient is φ = 10410588.

The previous prime is 10420009. The next prime is 10420079. The reversal of 10420013 is 31002401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10420013 - 2² = 10420009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10419976 and 10420003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10420313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2795 + ... + 5352.

It is an arithmetic number, because the mean of its divisors is an integer number (2607360).

Almost surely, 2^10420013 is an apocalyptic number.

It is an amenable number.

10420013 is a deficient number, since it is larger than the sum of its proper divisors (9427).

10420013 is an equidigital number, since it uses as much as digits as its factorization.

10420013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9426.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 10420013 is about 3228.0044919424. The cubic root of 10420013 is about 218.4185000117.

Adding to 10420013 its reverse (31002401), we get a palindrome (41422414).

The spelling of 10420013 in words is "ten million, four hundred twenty thousand, thirteen".