13421002 has 12 divisors (see below), whose sum is σ = 23418450. Its totient is φ = 5751816.

The previous prime is 13420999. The next prime is 13421021. The reversal of 13421002 is 20012431.

13421002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6964321 + 6456681 = 2639^2 + 2541^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68377 + ... + 68572.

Almost surely, 2^13421002 is an apocalyptic number.

13421002 is a deficient number, since it is larger than the sum of its proper divisors (9997448).

13421002 is a wasteful number, since it uses less digits than its factorization.

13421002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136965 (or 136958 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 13421002 is about 3663.4685749983. The cubic root of 13421002 is about 237.6447988664.

Adding to 13421002 its reverse (20012431), we get a palindrome (33433433).

The spelling of 13421002 in words is "thirteen million, four hundred twenty-one thousand, two".