13005022402 has 4 divisors (see below), whose sum is σ = 19507533606. Its totient is φ = 6502511200.

The previous prime is 13005022379. The next prime is 13005022417. The reversal of 13005022402 is 20422050031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13004893521 + 128881 = 114039^2 + 359^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13005022402.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3251255599 + ... + 3251255602.

Almost surely, 2^13005022402 is an apocalyptic number.

13005022402 is a deficient number, since it is larger than the sum of its proper divisors (6502511204).

13005022402 is an equidigital number, since it uses as much as digits as its factorization.

13005022402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6502511203.

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 13005022402 its reverse (20422050031), we get a palindrome (33427072433).

The spelling of 13005022402 in words is "thirteen billion, five million, twenty-two thousand, four hundred two".