13430002 has 4 divisors (see below), whose sum is σ = 20145006. Its totient is φ = 6715000.

The previous prime is 13429967. The next prime is 13430003. The reversal of 13430002 is 20003431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20003431 = 7 ⋅2857633.

It can be written as a sum of positive squares in only one way, i.e., 12880921 + 549081 = 3589^2 + 741^2 .

It is not an unprimeable number, because it can be changed into a prime (13430003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3357499 + ... + 3357502.

Almost surely, 2^13430002 is an apocalyptic number.

13430002 is a deficient number, since it is larger than the sum of its proper divisors (6715004).

13430002 is an equidigital number, since it uses as much as digits as its factorization.

13430002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6715003.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 13430002 is about 3664.6967132356. The cubic root of 13430002 is about 237.6979077993.

Adding to 13430002 its reverse (20003431), we get a palindrome (33433433).

The spelling of 13430002 in words is "thirteen million, four hundred thirty thousand, two".