13003427 has 8 divisors (see below), whose sum is σ = 13257552. Its totient is φ = 12751200.

The previous prime is 13003399. The next prime is 13003433. The reversal of 13003427 is 72430031.

13003427 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13003427 - 2⁶ = 13003363 is a prime.

It is a super-2 number, since 2×13003427² = 338178227488658, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13003399 and 13003408.

It is not an unprimeable number, because it can be changed into a prime (13003457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27977 + ... + 28437.

It is an arithmetic number, because the mean of its divisors is an integer number (1657194).

Almost surely, 2^13003427 is an apocalyptic number.

13003427 is a deficient number, since it is larger than the sum of its proper divisors (254125).

13003427 is an equidigital number, since it uses as much as digits as its factorization.

13003427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 13003427 is about 3606.0264835411. The cubic root of 13003427 is about 235.1541285567.

Adding to 13003427 its reverse (72430031), we get a palindrome (85433458).

The spelling of 13003427 in words is "thirteen million, three thousand, four hundred twenty-seven".