15430013 has 4 divisors (see below), whose sum is σ = 15445248. Its totient is φ = 15414780.

The previous prime is 15430007. The next prime is 15430021. The reversal of 15430013 is 31003451.

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 an emirpimes, since its reverse is a distinct semiprime: 31003451 = 2741 ⋅11311.

It is a cyclic number.

It is not a de Polignac number, because 15430013 - 2¹⁸ = 15167869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15429973 and 15430000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15430213) 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, 5981 + ... + 8162.

It is an arithmetic number, because the mean of its divisors is an integer number (3861312).

Almost surely, 2^15430013 is an apocalyptic number.

It is an amenable number.

15430013 is a deficient number, since it is larger than the sum of its proper divisors (15235).

15430013 is a wasteful number, since it uses less digits than its factorization.

15430013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15234.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 15430013 is about 3928.1055230225. The cubic root of 15430013 is about 248.9557132680.

Adding to 15430013 its reverse (31003451), we get a palindrome (46433464).

The spelling of 15430013 in words is "fifteen million, four hundred thirty thousand, thirteen".